Deep Sea Gigantism | Why the Ocean Breeds Giants

2024 ж. 5 Мам.
4 743 145 Рет қаралды

Deep Sea Gigantism | Why Creatures of the Deep Grow so Large. Enter at www.omaze.com/naturalworldfacts for your chance to win a Custom Tesla® Model S-APEX and support a great cause, the Petersen Automotive Museum. The experience closes on January 27th at 11:59pm PST and I promise, you don’t want to miss this!
Deep sea (abyssal) gigantism demonstrates the role of natural selection in driving evolution and survival, particularly in an environment characterised by challenging conditions and limited resources. Evolution tends towards the most effective adaptations to grant animals the best chances of survival. And whether large or small, evolution selects for the best-adapted body size to survive these conditions. Though widely debated and often controversial, the research that has been done into the science behind deep sea gigantism has significant implications in the human world; it is believed that climate change may have a greater impact on ocean dwellers than any other population of animals. As the colder oceans warm up, the balance of temperature, oxygen supply, and what organisms are present, will throw the equilibrium off course. And the giants, which rely so heavily on this fine balance, may be the first to go.
Support me on Patreon: / naturalworldfacts
00:00 - Introduction to Deep Sea Gigantism
02:27 - Kleiber's Rule - The Pressure Misconception
04:06 - Kleiber's Rule - How Buoyancy Enables Gigantism
05:00 - Kleiber's Rule - The Efficiency of Larger Animals
05:52 - Kleiber's Rule - Food Availability in the Deep Sea
07:00 - Gigantism Examples - Gigantism in Amphipods
08:45 - Gigantism Examples - The Colossal Squid
09:18 - Gigantism Examples - The Humboldt Squid
09:38 - Gigantism Examples - The Magnapinna (Bigfin Squid)
10:52 - Gigantism Examples - The Sleeper Sharks
13:41 - Kleiber's Rule - Metabolism of Deep Sea Giants
14:59 - Kleiber's Rule - Gigantism in Sponges
16:02 - Polar Gigantism - Bergmann's Rule
17:43 - Polar Gigantism - Giant Polar Invertebrates
20:00 - Polar Gigantism - The Oxygen-Temperature Hypothesis
21:34 - Polar Gigantism - A Fragile Ecosystem
23:05 - The Island Rule - A Scale Model of Evolution
24:20 - The Island Rule - Adaptive Radiation (Darwin's Finches)
25:19 - Insular Gigantism and Dwarfism
26:29 - Deep Sea Gigantism and Dwarfism
28:16 - The Island Rule - Islands and the Deep Sea
29:40 - Conclusion
CHECK OUT MY DEEP SEA WEBSITE: [naturalworldfacts.com/deep-se...](naturalworldfacts.com/deep-se...)
Written, Narrated and Edited by Leo Richards
I do not own any of the footage. I write the script, narrate, and edit what footage I can find, which is allowed due to KZhead's 'Fair Use' policy as these films are transformative and for educational purposes. Footage used belongs to the incredible marine conservation societies of Schmidt Ocean Institute, MBARI, WHOI and the Ocean Exploration Institute, along with various other KZhead sources. Most footage is used with explicit permission of the copyright owner. In cases where I cannot contact the owner or have not received a reply, I use certain clips in accordance with the Fair Use policy.
Music Used:
Ocean by Aleksey Chistilin
Il. Largo by Hawkins
Under Canopies by Spearfisher
Ripples by Tamuz Dekel
Parallel Dimension by Onyx Music
Marakana by Alon Peretz
Come Back Home by Ardie Son
Elapsed by Sémø
Life by O.B
Waiting for a New Day by Aleksey Chistilin
Stream by ANBR
Sun Up by Laurel Violet
Home of the Gumon by Gareth Coker
Slow Tides by Eleven Tales
Beneath the Mountain by Rising Tide
Autumn Nights by O.B
#deepsea #wildlife #nature #documentary #ocean #marinebiology #science #biology
Bibliography:
The Island Rule and the evolution of body size in the deep sea - JSTOR (no date). Available at: www.jstor.org/stable/pdf/3838...
Vermeij, G.J. (2016) Gigantism and its implications for the history of life, PloS one. U.S. National Library of Medicine. Available at: www.ncbi.nlm.nih.gov/pmc/arti... (Accessed: November 14, 2022).
Why do some creatures in the deep sea grow to enormous sizes? (2022) Science ABC. Available at: www.scienceabc.com/nature/ani...

Пікірлер
  • This one has been a long time in the making, I really hope you enjoy! I covered Deep Sea Gigantism in my first ever deep-sea film 2 years ago, and felt it needed a remake to do the topic justice. So sit back, relax, and prepare to immerse yourself in the wonders of the depths for half an hour. 😊 My Patreon for anyone wishing to support my channel 🦈: www.patreon.com/naturalworldfacts

    @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • Such a coincidence that just an hour or so ago I decided to rewatch the first one because I remember how well done it was. Perfect timing.

      @chrisblack__@chrisblack__ Жыл бұрын
    • @Chris No way, that’s awesome!! I would LOVE your thoughts on this one versus the original, if you’re willing to share 😁

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts Definitely. I'll do that when I wake up with a clear mind since I watch thee before I go to bed. I enjoyed this one very much though.💯

      @chrisblack__@chrisblack__ Жыл бұрын
    • Amazing!

      @mlbh2os211@mlbh2os211 Жыл бұрын
    • Wonderful educational video, love it!!!!

      @seanjohnson5209@seanjohnson5209 Жыл бұрын
  • "a slow moving scavenger, observed clumsily stumbling onto bait, latching on, and gorging itself for hours" I am a deep sea creature

    @wowitscoldout1119@wowitscoldout1119 Жыл бұрын
    • he’s literally me fr fr

      @piercer5572@piercer5572 Жыл бұрын
    • Same✌️

      @thebookwitch895@thebookwitch895 Жыл бұрын
    • Bro really be calling us out 💀

      @melonenjoyer@melonenjoyer Жыл бұрын
    • Me, night-shit, looking through the dimly-lit break room for the remnants of snacks brought for the day shift.

      @capajensen5689@capajensen5689 Жыл бұрын
    • Isn't that what your ma does as well? Guess you can't teach a bad apple.

      @michaelhelring9749@michaelhelring9749 Жыл бұрын
  • I have a three and a half year old daughter that is obsessed with the videos on your channel. She loves the music, your tone of voice, and all the video footage of nature. We often pause the videos to explain the things that you are saying, and she loves it all the more. When she wants to watch one of your videos, she asks for " The nice nature science man". Thank you for your amazing videos.

    @glippernittles@glippernittles Жыл бұрын
    • This has made my day and put a big smile on my face, thank you so much for sharing this with me. Say a big hello to your daughter from me! 😊 And thank you once again, this means the world.

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@danielcoronadelarosa2597 ??????????????????????????????????????????????????????

      @bernardozuniga3662@bernardozuniga3662 Жыл бұрын
    • @@danielcoronadelarosa2597 oh the poor guy needs attention... Here, have your cookie and a blanket *pat-pat*

      @ladyseeker2927@ladyseeker2927 Жыл бұрын
    • @@bernardozuniga3662 his comment is gone and im afraid to ask but i gotta know what this guy said

      @FrostBitn@FrostBitn Жыл бұрын
    • @@FrostBitn he said something like "oh yeah a video with random facts thrown around with stock footage in the background, so impresive". Wierd response to the cute comment so im glad he deleted it

      @bernardozuniga3662@bernardozuniga3662 Жыл бұрын
  • I've seen many nature documentaries through the course of my life and some of them are truly stunning. But never have I seen any documentary where such attention went into every detail - the titles, font choices, subtle design elements, infographics, edits, music, writing, narration... Everything is in balance. This is the boutique magazine of nature documentaries. Your passion is obvious and inspiring.

    @vstc3177@vstc3177 Жыл бұрын
    • Your comment has made me unbelievably happy! I get a bit obsessively meticulous and ‘perfectionist’ when I make these films, which is why it can take me so long sometimes. So hearing that it pays off is just wonderful. I really really appreciate this, and I’m so glad you enjoyed!!

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts Take your time and just keep doing things your own way. You're making people happy.

      @vstc3177@vstc3177 Жыл бұрын
    • I must agree, a marvel in every way

      @michelewoodey6219@michelewoodey6219 Жыл бұрын
    • well said!

      @peagreens7480@peagreens7480 Жыл бұрын
    • @@NaturalWorldFacts I'm in video production (not attached to this account) so I catch lots of random things people don't normally see and can be more critical. I have to say, the editing, narration and music combined is a beautiful dance of elements that bring on emotions of wonder and inspiration I haven't seen in a documentary like this. You should be incredibly proud of yourself, it's an incredible achievement. Something I can only dream of in my career. You're brilliant!

      @BDP_TF@BDP_TF Жыл бұрын
  • Hello! To anyone else also bewildered by the Greenland (sleeper) sharks' eyes, wondering if they're Just ~Like That~ bc of Deep Ocean Evolutionary Shenanigans, turns out that a lot of sleeper sharks have specific parasites (called Ommatokoita elongata) that latch onto their corneas and render them semi-blind. I suppose since the sharks don't prioritize vision for hunting, that the parasites struck gold.

    @silvercat7392@silvercat7392 Жыл бұрын
    • Thank you! I was wondering what was going on there

      @ssprdyllc_lurkn@ssprdyllc_lurkn Жыл бұрын
    • @@ssprdyllc_lurkn Yeah, it literally looked like they had eyes made of spiders.

      @KajiCarson@KajiCarson Жыл бұрын
    • It’s gotta stink not having arms to pull bugs out of your eyes

      @Hym5225@Hym5225 Жыл бұрын
    • @@Hym5225 Oh, don't get me started!!

      @KajiCarson@KajiCarson Жыл бұрын
    • @@KajiCarson "eyes made of spiders" Ugh - pure nightmare fuel, thanks so much! 😀

      @jimdoom2276@jimdoom227611 ай бұрын
  • I wish they would just give you a BBC earth camera crew and send you off around the world to do as you will 🙏🏻

    @SaxonRanger94@SaxonRanger94 Жыл бұрын
    • That would be a dream come true!!! 😭

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts You deserve it man, and you’d do it justice. Maybe some day lol. Keep up the spectacular work. ✌🏼

      @SaxonRanger94@SaxonRanger94 Жыл бұрын
    • I wonder if anybody has written to them suggesting that? I'm chronically ill and have a lot of paperwork ahead of me so I know that I may not get to it but I just wanted to mention the idea in case I couldn't. Ask patreon patrons if they would do it!

      @geekdivaherself@geekdivaherself8 ай бұрын
    • Is this a death threat

      @AlienAyleen@AlienAyleen8 ай бұрын
    • @@AlienAyleen 🤔

      @SaxonRanger94@SaxonRanger948 ай бұрын
  • Glad I stumbled across this. A lot of KZhead “documentaries” are filled with misinformation and/or low production quality. This was beautiful in every way, and I look forward to watching many more.

    @OldManTenno@OldManTenno Жыл бұрын
    • Thank you, I really appreciate that!!

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts its just fascinating and i could just watch it all day

      @keziahsarajohn4160@keziahsarajohn4160 Жыл бұрын
    • I totally agree regarding the misinformation communicated on many YT documentaries. The casualness of the presentation of incorrect information on these shows leads to misinformed people who then believe they are properly educated when they're not. I'm a Science teacher with 40 yrs experience and it's a huge concern when people misinterpret Science and logic. Science is the foundation of how we progress and everyone should be very concerned about this ignorance of logic. What appears to be good videos leads to misunderstanding and over-simplification and this has become particularly evident regarding correct knowledge of the dynamics of Science leading to the pseudoscientific rubbish that many people readily accept today without questioning. Social media is largely responsible for this. This is particularly evident in understanding climate change, evolution and vaccination. When our leaders are also misinformed there is little hope for the masses they influence.

      @intricacy9490@intricacy9490 Жыл бұрын
    • Hence why, one can make his part by watching all the add length, for maximum help :)

      @diceblock@diceblock Жыл бұрын
    • Bring back the dislike button so we can identify them. YT is pushing the misinformed forward

      @QurikOfficial@QurikOfficial Жыл бұрын
  • Sorry for the blurry shot towards the end of the film - I had some concerns about the legitimacy of some footage from a stock footage site in terms of its copyright allowances, so I have blurred the shot until I can officially look into it and obtain a license if necessary.

    @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • did you ever get this footage cleared?

      @areyoutheregoditsmedave@areyoutheregoditsmedave6 күн бұрын
  • It's always a wonder to me how the photographers manage to get such amazing footage in such extreme environments.

    @jerryjiang6009@jerryjiang6009 Жыл бұрын
    • Absolutely stunning isn’t it , like an alien planet

      @valley_robot@valley_robot Жыл бұрын
    • A lot of squids have been discovered by oil rigs.

      @Miller-jh2bg@Miller-jh2bg11 ай бұрын
    • Robots. Unmanned underwater robots with cameras are what almost every deep sea footage has been captured with. I say almost because some has been captured by manned submersible crafts.

      @sasukedemon888888888@sasukedemon88888888810 ай бұрын
    • Using ROV

      @IDGAF_about_u@IDGAF_about_u10 ай бұрын
    • Robots..

      @Bodyfitcph@Bodyfitcph10 ай бұрын
  • One of my favorite topics about the ocean. Thank you Leo for making these amazing documentaries!

    @puddingwars-@puddingwars- Жыл бұрын
    • No worries at all, it was so much fun to make!!! Thanks for such a lovely comment

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts how do those long legged squid things mate?

      @bannangcocomong8081@bannangcocomong8081 Жыл бұрын
    • @@bannangcocomong8081 carefully

      @-drakrats-@-drakrats- Жыл бұрын
    • @Repent and believe in Jesus Christ never walk in darkness?!! Do you have a magic never ending torch? People wohkd definitely follow you I'd you had a magic torch that never went out. You should get on that...

      @-drakrats-@-drakrats- Жыл бұрын
    • @@RepentandbelieveinJesusChristliterally shut up. stop spamming bible shit

      @limitbreak2966@limitbreak2966 Жыл бұрын
  • Yes!!! Your videos re-ignited my childhood love for marine biology. When you touched on deep sea gigantism before, it opened my mind to how incredibly nature can “copy” itself to sustain life. It reminded me of how sunflowers are basically giant daisies… certain plants have leaf formations that are like the giant or mini versions of other plants, similar to how a mini version of a giant squid could be drifting far above his brethren, unknowingly. Nature has this way of exponentially growing or shrinking its genetic material like that (not sure what the actual term would be lol just started the video heheh 🤣🤥) in a fractal-like manner that just blows me away. All to sustain life and keep it thriving in its environment. TL;Dr These videos blow me away, thank you. ☺️

    @queentrinicorn9441@queentrinicorn9441 Жыл бұрын
    • It's the Fibonacci sequence - a pattern in nature, the stars, even the human brain. The "code" of all that exists (in this universe at least). *Warning* once you start "the Golden Ratio" research, you are hooked for life, lol 😄 At least that's my experience ✌️

      @suzannea6452@suzannea6452 Жыл бұрын
    • has nothing to do with the fibonacci sequence, thats just psuedoscience. (Literally a number sequence in which a term is the two previous terms added together, lol) biology tends to have recursive body plans because there are certain aspects that are pretty much objectively good for survival. What amazes me about biology is how organisms use different systems to achieve the same results, because it can often achieve different side effects and have a knock-on effect to other parts of the body. It’s so cool

      @aa9945@aa9945 Жыл бұрын
    • @Repent and believe in Jesus Christ I have no use for your magic sky god - you do you and leave me out of your fevered fantasies

      @suzannea6452@suzannea6452 Жыл бұрын
    • @@suzannea6452 but, I think this guy may have a magic torch that never goes out!! Says if we follow there will never be darkness, only light. Seems to me pretty obvious he has a never ending torch battery. He's a saviour...meh...maybe not

      @-drakrats-@-drakrats- Жыл бұрын
    • @@suzannea6452 you don't need to be miserable ..

      @silvastian@silvastian Жыл бұрын
  • I did a study on the humboldt squid once, their syntax is incredibly complex and beautiful! Their ability to communicate during feeding frenzies and stay coordinated is immaculate!!

    @squeersquid1107@squeersquid1107 Жыл бұрын
    • Sure ya did.

      @corydinsmore1117@corydinsmore1117 Жыл бұрын
    • What all went into the syntax? I believe that’s in the throat, correct? Or would I be thinking of something else?

      @HavianEla@HavianEla Жыл бұрын
    • @@corydinsmore1117 not everyone is American.

      @youtubegavemynameawaycuntbags@youtubegavemynameawaycuntbags Жыл бұрын
    • @@youtubegavemynameawaycuntbags or a petes.

      @nuke97@nuke97 Жыл бұрын
    • truly incredible squid! Humboldt squid seem to play by their own rules! the feeding frenzies you mentioned, they are SAVAGE! and so calculated! I've always been fascinated with squid and octopuses, its a wild world they live in an some of the ways they operate are alienlike.

      @freshnorthwest6756@freshnorthwest6756 Жыл бұрын
  • I'm a psych provider who spends 8 hours a day listening to my patients talk about distressing topics. Although I love my job, I come home drained and sometimes feeling very emotional. Before I go to bed, I watch one of your videos and I feel my stress melting. Your soothing videos and calming graphics have helped me mentally enormously. I'm sure there are plenty others like me who just have not left you a comment yet. I hope you know how much your videos help and soothe us ❤️

    @madil5974@madil597410 ай бұрын
  • This documentary is absolutely stunning. I literally caught my mouth hanging open a few times. I loved your calm cool voice narrating the facts. The music choice was perfect. Emotional tones that sounded both fantasy and sci-fi. It almost romanticized these creatures. The writing too was gorgeous. I subscribed in the first ten minutes. Thank you so much for your work

    @AztridV13@AztridV13 Жыл бұрын
    • Thank you so much Holly, this is so kind of you! Welcome to the channel 😁😁

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
  • Sorry for the typo in the Greenland Shark length in the on-screen text! It should read 7m not 7cm - it was a formatting error from copying across my custom infographic text template. 😭

    @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • There's another in the text for the Giant Isopods at 28:00.

      @Pizza_Is_Cool@Pizza_Is_Cool Жыл бұрын
    • 40cm to 15.7ft had me really shook for a momeny

      @Unicorn498@Unicorn498 Жыл бұрын
    • I was looking for this comment!

      @sixyty@sixyty Жыл бұрын
    • @@Unicorn498 a 15ft long isopod sounds like a good idea for a horror film

      @johnroach9026@johnroach9026 Жыл бұрын
    • Honestly I just saw it when the correction came up, it made me giggle. 7 cm is not that gigantic indeed ;)

      @dolopdieren@dolopdieren Жыл бұрын
  • I refuse to believe that you aren’t on the same level as Blue Planet. These documentaries are incredibly beautiful and soothing. It calms my anxiety to listen to and I learn so much more. The way you explain everything is so clear, leaving no real questions unanswered. I agree with the other comment. You deserve to be airing on TV. This is incredible 💙

    @makkieta-static7960@makkieta-static79608 ай бұрын
  • You are very talented at making this type of documentary. I have PhD in biological subject, maybe that makes me picky when seeing documentaries and presentation of various evidence, yet this was surprisingly very very impressive. I also noted the great choice of font and details. Highest quality I've seen.

    @you-dont-know-me@you-dont-know-me Жыл бұрын
    • Thank you very much! I’m currently an undergrad student studying marine biology, so to hear my film appears high quality to yourself, with a PhD, is just wonderful!! I love making these films. It’s my dream to get into creating or presenting professional wildlife documentaries after graduating that don’t dumb down the scientific content, but still appeal to as wide an audience as possible and evoke a sense of wonder.

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • Wel your videos are already worthy of discovery channel or bbc. I don’t know how you do it but this is simply top quality stuff. Much respect! I am a freshwater microbiologist, and my research is involved in sediment and water biogeochemistry, metabolomics and biodegradation of pollutants. After watching your videos I feel that my understanding of aquatic biology increases. Also looking forward to view all the rest of the videos.

      @you-dont-know-me@you-dont-know-me Жыл бұрын
  • Your old video on deep sea gigantism was already fantastic, but this is quite possibly some of the best content I've ever seen! I love the addition of adding in parts of "Hidden World of Islands" and "Giants of the Polar Deep" (the latter being probably my favorite video of yours so far). The sheer size difference between the average sea spiders and their polar region counterparts is still pretty insane to me. Thank you for making these videos! You've definitely been a massive inspiration for me to continue wanting and trying to pursue a career in marine biology.

    @NightSkyNyx@NightSkyNyx Жыл бұрын
  • Wow. I just want to say, I'm just another person here to admire your work. This video is so damn good it's hard to believe it's on KZhead. Such quality, just thank you for blessing the people with such videos. It's almost hard to put into words that anyone watching this truly can feel PASSION in your videos, it's like we can tell this is done by someone who just really really wants to put something marvelous in the world, just because they want it to be shared! Take a moment to remember, every comment you read that makes you smile, makes your day, makes you happy- for every like that comment gets, someone else is saying it again and again! I know I've gone down the comments after watching your videos just so I can go like all the positive comments. You truly deserve the best!

    @teenat7044@teenat7044 Жыл бұрын
    • You have no idea how happy it made me to read this, and to know you enjoy my films, and that you think my passion comes through. I started this channel when I was 9, 11 years ago, as a hobby, and to this day it remains first and foremost exactly that - a hobby!! It makes me so excited to get to share the wonders of wildlife with people who hold the same passion or have any amount of curiosity for the natural world. I never expected this level of love or this sort of a response, so seriously, thank you. You, and anybody who leaves supportive, warm comments, are the reasons I make these films and stay motivated. Have a truly wonderful day. You are an incredible person.

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • This had me feeling like I wanted to become a marine biologist for a minute, the quality of editing and the soundtrack and the content were all fantastic, I want to thank you for making this and sharing this with me, I really enjoyed it, thank you.

      @captain_kirkyt2481@captain_kirkyt24813 ай бұрын
  • Imagine what kind of fossils are at the bottom of the ocean and how massive those creatures could have been, if there even are any fossils

    @Blebis@Blebis26 күн бұрын
    • The pressure eventually will literally crush the bones to dust. Ever seen a skeleton on the titanic ? Neither has anyone else ;-)

      @user-wr1mb6gw9t@user-wr1mb6gw9t4 күн бұрын
  • When that one marine expert childlishly said "So cool" aftrer seing a long squid, it was so wholesome. Seeing someone geeking about their passion always makes me happy

    @nathan1507@nathan150710 ай бұрын
    • We’re all just big kids in the field of marine biology!! 😁

      @NaturalWorldFacts@NaturalWorldFacts10 ай бұрын
  • I found the polar gigantism extremely fascinating. Is there any more info on it?

    @MahNemJeff@MahNemJeff Жыл бұрын
    • Yes! I have a (now a little outdated) video on the topic, but a lot of that was re-done and incorporated into this film. I am, however, going to be collaborating with a scientific expedition cruise next year who are setting out soon to study the Antarctic sea floor and in particular the worms that live there, so stay tuned!! If you're interested in watching my slightly older Polar Gigantism film, here's the link :D kzhead.info/sun/hdtth7xqe5Zue3k/bejne.html

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts thank you so much! I’ve spent the last day or so reading as many papers on it as I can. Hopefully might do a project for my marine science seminar on it. So interesting

      @MahNemJeff@MahNemJeff Жыл бұрын
  • Fun fact, the magnapinna has just recently been found to use its tentacles aggresively, so it may be more predatory than previously believed.

    @commanderkief@commanderkief Жыл бұрын
    • If you're talking about that one specific clip, it's still up for debate on whether it was attacking, fleeing, getting lifted with the current from the vehicle, etc. I haven't seen any other evidence of aggression. I'm curious to know which source you're thinking of?

      @ElysetheEevee@ElysetheEevee9 ай бұрын
    • @@ElysetheEeveeI’m enamored by the fact that you know this specific clip off the top of your head

      @Creepystalker102@Creepystalker1029 ай бұрын
    • its cgi, wake up retard

      @maxkelsey9232@maxkelsey92324 ай бұрын
  • The way you curated this entire video (especially with the background ambient music) is noteworthy. I rarely pay full attention to most videos on KZhead, but yours simply took me on a journey ceaselessly. Thank you.

    @lipokyanger7685@lipokyanger76857 ай бұрын
    • That means a lot to me to hear that - thank you! The audio and visual curation is my favourite aspect of film-making, particularly with my deep sea series, so hearing it paid off is just wonderful!

      @NaturalWorldFacts@NaturalWorldFacts7 ай бұрын
  • It's so fitting that the biggest sea creatures are the ones yet to be fully understood. The very existence of deep-sea gigantism is so fascinating, it makes many myths about sea monsters possible because we just don't know what's down there. So, cool!

    @evronian1129@evronian1129 Жыл бұрын
    • Everybody deep sea naturalist until Cthulhu fhtagn

      @vespenegas261@vespenegas261 Жыл бұрын
    • There be nothing

      @lennarthagen3638@lennarthagen3638 Жыл бұрын
  • One of the best nature documentaries I've seen in years. Thank you. Please never dumb it down for the masses

    @mrhanlon8299@mrhanlon8299 Жыл бұрын
  • I was checking out the channel and saw that he kept his old videos up when he was a little kid! I think it’s so cute and awesome that years later, he still has a love for animals. It’s amazing seeing how much he’s developed; makes me feel like a proud parent for some reason lolol

    @itrashcant7947@itrashcant794710 ай бұрын
  • ive been hyperfixated on marine biology and sealife since i was a kid, and finding this video makes me so overjoyed. i love watching these amazing creatures float in depths far from human intervention, allowed to live freely as they are. my favporite animal has always been a bigfin squid, so interesting and awesome

    @bonezagaga0004@bonezagaga0004 Жыл бұрын
    • Keep it up, and we’ll have the ocean completely explored soon!

      @zfr33ze87@zfr33ze8710 ай бұрын
  • absolutely stunning, your production quality has been constantly improving 😍 as always, especially love your music choices!! good luck with university and thank you for making these masterpieces🥰

    @Ellisian@Ellisian Жыл бұрын
    • Thank you so much Ellie!!! 😊 This means a lot to me!

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
  • Every creature has a different constraining factor for its ‘common’ size. I’m glad you explored so many different aspects of how various constraints get lifted

    @tuvillo@tuvillo Жыл бұрын
  • Ignoring the fact I dozed off halfway through from your relaxing voice, I’ve never been so encapsulated by a documentary before. This was so interesting and amazingly put together. Thank you for making this.

    @emi.wemi.@emi.wemi.10 ай бұрын
    • Thank you so so much! 🤭 I have a whole deep sea series of a similar style, if you’re interested in seeing more. kzhead.info/channel/PLKzq2xKdfIot0rJTxkzPG7srMQm0sSeIG.html I study marine biology at uni and the deep sea is an obsession / fascination of mine!! So making these films is such a fun hobby.

      @NaturalWorldFacts@NaturalWorldFacts10 ай бұрын
  • Holy cow! I have immense respect for you! You’ve been doing this for so long, and you have grown and your passion for life increases. My son is just like you. All his books are about animals and even though he’s young and in the spectrum he is so knowledgeable about nature. More than most people, including adults. I stumbled into your channel and I’m so grateful! I’ve been binging your videos. They are so informative and interesting! Thank you

    @1lagarti@1lagarti Жыл бұрын
  • If I'm not mistaken, the Greenland shark has a problem with eye parasites. I think it's something like 60% of the sharks have them.

    @Lrr_Of_Omikron@Lrr_Of_Omikron Жыл бұрын
    • Yup! Ommatokoita elongata is the crustacean parasite you’re referring to - it’s fascinating.

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • Is that why the one shark's eyes were floating around in its head?

      @toothfairy430@toothfairy430 Жыл бұрын
    • @@toothfairy430 The ones with the parasite look like they have two really long eyelashes poking out either side of the eyes

      @LunaDelTuna@LunaDelTuna Жыл бұрын
    • Apparently they’re not too bad as they act as a lure to prey.

      @GeckyWecky@GeckyWecky Жыл бұрын
    • @@toothfairy430 Yep. It's 14:50

      @vespenegas261@vespenegas261 Жыл бұрын
  • Isn't it phenomenal that we can get such a stunning video essay like this on youtube? For free??? I'm losing my mind. This is so much effort with the intention of spreading a passion and knowledge. I loved this video so much, thank you

    @uninterestedYam@uninterestedYam Жыл бұрын
  • I made my first KZhead account in 2005, almost 20 years ago now, and I still get amazed by how far it has come thanks to these amazing independent content creators.

    @InsertNameHere73894@InsertNameHere73894 Жыл бұрын
  • I am in love with these documentaries, you do a phenomenal job! Although I have noticed a few of your conversions from centimeters to inches or feet have been wrong in a few different videos. The one I saw in this video is the Giant Isopod; you have 40 cm being 15.7 ft long, when in reality that is about 1.3 ft long. I just wanted to point this out to you in case it went unnoticed when you edited the video. Keep up the fantastic job, the algorithm seems to like you recently so I know all the hard work will pay off!

    @hayhud97@hayhud97 Жыл бұрын
    • Thank you so so much for the lovely feedback, and for pointing out my error. 🙈 I have gone in and added a little on-screen card in the top right that should pop up with a correction at the relevant timestamps… but it doesn’t seem to be working quite as expected. Anyway, thank you so much once again! I’m working on quite a few exciting films (in fact I’ll be releasing a trailer for my biggest ever project very soon) so comments like this really help keep me motivated. 😊

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
  • I recently geeked out and made an enclosed terrarium in a giant cereal tupperware with my kids, there was room for tons of different rocks, wood, plants, worms and insects. They loved it but I think I had more fun than they did lol. I followed your instructions and its doing well so far. Thanks for the idea dude. 👍

    @SaxonRanger94@SaxonRanger94 Жыл бұрын
  • Love watching these when I'm about to sleep. Such great topics with intriguing information, it definitely answers questions that I didn't even know I had. Amazing video, by the way, lovely work! :)

    @Fresh100@Fresh100 Жыл бұрын
  • I just saw some of your oldest videos. It’s incredible to see how you’ve grown up your whole life so passionate and knowledgeable about deep sea/wildlife, and how incredible your videos have evolved. Truly amazing to see!

    @willow_the_bob4322@willow_the_bob43223 ай бұрын
  • This is actually insane that such high quality documentaries are available for free. Gosh I love the internet

    @angelomir9682@angelomir96828 ай бұрын
  • this is so relaxing. i’m a herpetology student, but i love the deep sea and especially large squids. the footage of the bigfin squid from the oil rig always excites me- it’s like a scene from a found footage horror film.

    @fuckgandor@fuckgandor Жыл бұрын
  • i rarely ever comment on stuff, but i gotta say this might be one of my newest favorite channels :) literally so informative and entertaining

    @tacosarentreal@tacosarentreal Жыл бұрын
  • It blows my mind, not just the animal facts but that this video is free on KZhead. Amazing production value and well put together. Thank you!

    @jeffsavilleproductions@jeffsavilleproductions Жыл бұрын
  • not sure if it’s a british narrator, the background music, or just the clips of deep sea life, but (in an extremely positive way) this feels like something i’d see playing in a natural history museum theater. thank you for making this, it was very nice to watch on a rainy sunday afternoon

    @anchovietonie@anchovietonie Жыл бұрын
  • I can’t believe these amazing creatures exist on our planet - the aliens aren’t in space - they’re in our ocean. Absolutely fascinating and we’re so lucky to have such hd videos. the ocean will never in our lifetime cease to amaze us.

    @sherlockwatson101@sherlockwatson101 Жыл бұрын
  • As ever, an exceptional presentation. I'd expect to find something like this on the BBC or equivalent organisation. Leo, you have an incredible talent and produce compelling content that is quite remarkable, especially given your age. Incredibly informative and wonderfully narrated, your channel is truly remarkable.

    @BadYossa@BadYossa Жыл бұрын
  • Your voice is poetry in itself. We can hear the care, the passion and the attention to details through it and it's fascinating. I ve watched your videos many times and i never get enough of them

    @oliveoil6251@oliveoil62515 ай бұрын
  • i usually have a hard time staying focused on a documentary because of my adhd, but your speech pattern and pacing of the video had me absolutely enchanted the whole time!

    @trillberd@trillberd Жыл бұрын
  • footage of the deep sea is a level of soothing i can't explain. the troubles of the surface world seem silly when i think about how much is going on somewhere we can't even go in person

    @holliegould3463@holliegould3463 Жыл бұрын
  • The big fin squid is one of my favorite animals probably. I love how mysterious, alien like, and showing pictures of it to people and seeing there reaction.

    @ShellT4940@ShellT4940 Жыл бұрын
  • Just found your channel and I’m blown away?? Like your content is SO well made!! I’m learning about this (biodiversity, evolution, and climate change) in college right now. I’m an environmental science major and I love seeing people like you make great content informing people how important EVERY part of the global environment is. My focus is on the extinction of species and declining biodiversity in islands, it was so cool to hear you talk about them! They are so important! Definitely gained a subscriber!

    @spacyh8469@spacyh8469 Жыл бұрын
    • Oh thank you so so much for this, this comment has made my day!! I’m currently a student myself (marine bio at university) so being able to tie in and expand on concepts from my course is so much fun and absolutely fascinating!! Your course sounds incredible, those are some truly interesting topics. Do you know what you’d like to go on to do after college, and beyond in terms of career?

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts I want to go into wildlife rehabilitation or something that works one on one with the wild animals Keep making these videos they’re great!

      @spacyh8469@spacyh8469 Жыл бұрын
    • Funny enough I'm covering the exact same topics in my current term at university! I just found this channel myself and these videos honestly feel a bit like a more entertaining version of my lectures as it covers similar topics lol :D

      @esmenery@esmenery7 ай бұрын
  • Dude's got most soothing voice ever. I love deep sea videos, so having this amazing video combined with the voice is just *chef's kiss*

    @alexandrabelloso2176@alexandrabelloso21768 ай бұрын
  • I remembered the original gigantism video when I saw this, glad you decided to remake it. I can really see the effort and love put in. I also wanted to let you know I appreciate when you but the name of species in the corner in the shots that aren’t audibly explained. Thanks!

    @fibisshortforfibonaccisequ380@fibisshortforfibonaccisequ380 Жыл бұрын
  • Too often KZhead and other networks feel like a violent assault on the senses manipulating your emotions to hijack your attention and leave you mentally drained. This video instead greets you with calm and gives you a half hour of exploration that stimulates curiosity and appreciation for the world with impeccable quality. I am very pleased to have found this channel, excellent work.

    @gchavarri@gchavarri11 ай бұрын
  • I was in the mood for a documentary with this exact sort of tone what with the calm music, the soothing voice, etc. This was perfect, absolutely beautifully made and so fascinating to see. Love it

    @EbbermanEmily@EbbermanEmily11 ай бұрын
  • I’ve only just found your channel today, but I am already captivated by what you’re doing! Keep up the great work, I will definitely be watching more of your videos! The quality is top notch; visuals, audio, content, you’ve got it all! The effort does not go unnoticed!

    @hooeygames@hooeygames Жыл бұрын
  • Always happy to see a notification from you! It's great you're back to uploading. Deep sea gigantism has always fascinated me. Well.. deep sea anything fascinates me. Lol. Thank you for the upload.

    @Emily-ck9ji@Emily-ck9ji Жыл бұрын
    • yeah

      @jitdippin7196@jitdippin7196 Жыл бұрын
    • This is so sweet of you, thank you :D I really hope you enjoy, it’s a topic that’s always fascinated me too so I really hope I’ve done it justice!

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
  • Thank you for you deep sea videos, they remind me a lot of my childhood back when I was obsessed with the abyss, dinosaurs and space... I would've killed back then to see such good quality videos like this.

    @wrursqsl@wrursqsl Жыл бұрын
  • Can I just say that I LOVE the new graphics with the timelines that you've got in here? It's amazing and it really elevates your already amazing videos just that little bit. The fact that I can watch something this high quality for free on the internet is astounding- I love it so much!

    @Manj_J@Manj_J9 ай бұрын
  • holy- the moment i heard you speak, i knew you would be the new youtuber i listen to as i fall asleep. your voice is so soothing.

    @lakeladytx6697@lakeladytx66978 ай бұрын
  • I often wonder how deep ocean pressures affect ocean pollution? Is it altered in any way?

    @pawshands9706@pawshands9706 Жыл бұрын
  • your videos have become some of my favorite on youtube, they are so comforting and informative, and you talk about so many interesting species, ecosystems, and phenomena surrounding the ocean that others do not. your video on cnidarians is my favorite, and if i feel sad i'll rewatch it and it will make me feel a lot better. thank you for these amazing, beautiful, and informative videos that you create.

    @spacelyft2418@spacelyft2418 Жыл бұрын
  • Wow, amazing work. As an architect I took several screenshots of this video. Nature is so inspiring, and learning about the conditions due to which creatures evolved to be the way they are, certainly helps us with creation and perfecting our man-made crafts. And I feel so blessed to live in a time where I get to have access to all this information for free. People like you who put in the effort and passion need to be appreciated much more. Also off-topic, but your voice is so soothing and hauntingly beautiful. Keep up the good work.

    @MyFatherLooksLikeAPallasCat@MyFatherLooksLikeAPallasCat Жыл бұрын
  • I want to thank you for your incredibly well explained videos and how educative and entertaining they are. I always felt obsessed with the ocean, but I also held a fear towards it. Thanks to your videos I can feel myself more comfortable with visiting further more about the ocean. I initially grew interested about the deep ocean because of the cookie-cutter shark, my favorite parasitic lil fella. For my 2024 goals, I decided to watch your videos more often, and write down notes to get to know more about the deep ocean. I watched a few videos of yours with my dad, his native language isn't even english yet he understood how you explained it really well, he enjoyed it too. I also love the choice of music, it helps me concentrate a lot. Your videos have inspired me, and intrigued me more to study and learn more about the ocean. So huge thanks, and I'll be more than happy to continue my journey of getting to know the ocean life with your videos. Have a great day💓

    @moonrodriguez3256@moonrodriguez32564 ай бұрын
  • I've always been amazed yet terrified about all the magnificent things the ocean has, I never thought I would watch a 30 minute long documentary about this. I really appreciate your great efforts into making these types of videos for people to learn. Keep doing such great videos, you gained a new subscriber. Greetings from Mexico.

    @cesarcastro9882@cesarcastro9882 Жыл бұрын
  • What an insanely well put-together video! ❤ Your tone of voice and cadence coupled withe the music and the footage makes for a hypnotic viewing experience. Thanks for putting in the effort to make this masterpiece. I love seeing people share in their love and fascination for nature

    @ruxandrab1674@ruxandrab1674 Жыл бұрын
  • This narrator’s voice is so soothing and beautiful. I would usually listen to him for hours. One of the few best voices in the world! ❤😊

    @gsthMD7099@gsthMD7099 Жыл бұрын
    • Thank you so so much, this means the world to me!

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
  • That shot in 15:59 was jaw droppingly stunning. One of the most beautiful images i have ever seen in my life.

    @bharasiva96@bharasiva9610 ай бұрын
  • I love how excited the scientists are catching the squid on camera

    @awsomeoish@awsomeoish Жыл бұрын
  • I've always had a passion for astronomy, yet the ocean is always the thing that fascinates me most

    @The..Commenter@The..Commenter Жыл бұрын
  • The deep sea is both fascinating and terrifying. It´s like setting foot on an alien planet. The creatures look like they come directly out of a story by Lovecraft or a painting by Bosch. Amazing how life can thrive under such extreme conditions. But like "Ian Malcolm" said in "Jurassic Park": "Life will find a way."

    @Perebynis@Perebynis11 ай бұрын
  • I am a life long lover of documentaries but I’m a stickler for quality. This was wonderful. And the music selection, so often neglected in documentary films, was exquisite. Bravo.

    @alucarddracula7@alucarddracula7 Жыл бұрын
  • Thank you for another beautiful and informative production. Your videos are made with so much skill, effort and passion and they're an absolute joy to experience. Thank you also for introducing your viewers to fantastic and lesser known musicians, in the tracks you use. I've always been creeped out by marine life in the way that other people are by spiders, but your content has really helped me to appreciate the diversity of these lifeforms in spite of that gut feeling.

    @VS-kf5qw@VS-kf5qw Жыл бұрын
  • I recommend your videos to anyone who will listen. You’re out here making the content we crave. I appreciate your hard work and dedication. This is a craft that you’ve clearly mastered. Thank you. 😊

    @meghannation6994@meghannation6994 Жыл бұрын
  • Just the intro to this doc alone is an 11/10. So glad that I found this series. Top notch!!

    @zolawilliams1@zolawilliams1 Жыл бұрын
  • Amazing audio quality, music, and visuals. I Would love to see you cover more natural world facts on things other than the ocean. Keep up the great work!:)

    @leonardjohnson1333@leonardjohnson1333 Жыл бұрын
  • Thank you for talking about the sleeper sharks!! And for telling the correct years of that damn green lantern study! My absolute fav sharks are the six gills, such strange, puppy-faced giants. This was a really lovely video!! Major props man!!

    @sharkladyindisguise@sharkladyindisguise Жыл бұрын
  • Have been looking for literally any good channels for nature documentaries / video essays and you’ve been a total happy surprise to say the very least. So beautiful and well-done

    @snow8980@snow89805 күн бұрын
  • I love your channel, Leo! This is some of the most amazing videos and documentaries I've seen. You have such a calming and comforting voice as well. You're like a young David Attenborough! Keep it up and looking forward to more videos. Cheers!

    @gookymofo@gookymofo Жыл бұрын
  • These videos are GREAT. I particularly appreciate delivering facts without having to create a narrative or sentimental story and drama behind the natural world and its inhabitants. It's hard to find documentaries that don't do that. One slight criticism I'd have is the insertion of text while the narrator is still talking, that makes it difficult to follow both (at least for a non-native English speaker like me), specially if the text is more than 2 lines long and when they disappear so quickly. Maybe insert the text in the pauses and/or leave them on the screen for longer.

    @flaviaoliveira5949@flaviaoliveira594911 ай бұрын
  • An absolutely amazing and jaw-dropping documentary. Makes me realise how much more to the world there is than I ever thought. Thank you for these videos.

    @LavenderCorpses@LavenderCorpses Жыл бұрын
  • The cold temperature makes total sense. Look at people from the Norway, Sweden, German, Russia, mostly big and tall. People from hot regions, like Mexico, Southeast Asia, are all tiny.

    @mingxuanfan@mingxuanfan10 ай бұрын
  • This is one of the best videos I've ever seen Beyond the extensive research, it's simply so well edited! With an amazing atmosphere kept throughout with a perfect use of music. I love this

    @RainbowDark@RainbowDark Жыл бұрын
  • Evolution is such a fascinating process. I just did a study in my Bio class about it, and learning how quickly an animal can evolve (in evolutionary terms) was really impressive. Thanks for sharing this; hopefully one day I'll get to use this series as a reference one day :)

    @Foxtrot12345@Foxtrot12345 Жыл бұрын
    • I dont belive evolution happened.

      @BlackGambit@BlackGambit Жыл бұрын
  • I have to say, I've been following your channel for over a year now, and every time your videos never fail to enthrall and fascinate me. Each one has improved always consistently and now, with these recent 30+ min videos, your channel is legitimately reaching proper documentary level and quality. I am truly impressed with the production value of your videos and support full on this longer length format, even if it means waiting longer, please continue to do so!

    @nicholasverze5134@nicholasverze5134 Жыл бұрын
  • These go so in depth and I appreciate the research and you leaving where you have cited everything. Your website is something really interesting and I like flipping through it and your writing. I’m going to get your t shirts for myself and my partner. I hope both sides of your pillows are cold. I LOVE your work and I’m eagerly waiting for another really long video to watch a quadrillion times!!

    @jessicadelancey@jessicadelancey2 ай бұрын
  • I do research and alot of my time is spent shifting through data in front of a computer. I love listening to these videos and glancing at the visuals as I work. I also love the music you add to the background and have added a few songs! You should consider a playlist of the music you use, I would absolutely follow it

    @joeybela4581@joeybela4581 Жыл бұрын
  • This was amazing to watch! It's nice to see a new video from you even though you are probably really busy. The polar deep section is an especially nice treat for me. But it is equally saddening how that is one of the ecosystems most affected by climate change. We hardly know anything about these incredible creatures and rob ourselves of the chances to study them. So thank you for showing them to a wider audience. If people were more aware of their existence, there would probably be a bigger effort for conservation. You are doing a good deed, my friend. :)

    @Lugmillord@Lugmillord Жыл бұрын
  • This video is one of the most stunning I've seen. The sights, music, voice. And such a somber tone. I had chills for the whole thing. The deep sea interests me more than anything else and this video truly encapsulates the somewhat alien feel of it. I hope we can stop the damage that is being done to the world,so we can save these mysterious giants

    @TheSnekDen@TheSnekDen Жыл бұрын
  • I love this documentary. I started rewatching it the moment it ended.

    @redandjonny@redandjonny Жыл бұрын
    • No way! Thank you so so much! 🤭

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
  • Started this video to challenge my thalassophobia. ended up crying at the beauty of mother nature creation

    @alterbunker@alterbunker Жыл бұрын
  • As someone who is very interested in deep sea life. I have to say. This..... this was amazing and inspiring to watch!!!! Insane work, my respect! Liked and subscribed!

    @KefKedes@KefKedes Жыл бұрын
  • I cannot believe the quality of your videos. I enjoy them more than any given documentary, and in fact yours is one of my favourite KZhead channels of all time. Thank you for your hard work!

    @madedgar@madedgar Жыл бұрын
    • Also, you have a lovely voice which brings everything together perfectly

      @madedgar@madedgar Жыл бұрын
  • I am so glad this came across my recommendations. Beautifully done, one of if not the best film on deep sea gigantism i have seen

    @SMjerZgirl@SMjerZgirl Жыл бұрын
  • This video is incredibly calming to me. It gives me feelings of awe and peace, at least in part due to the music. I adore the ocean so much, thank you for making this documentary

    @nova7938@nova793811 ай бұрын
  • At 28:00 I'm quite surprised by the Giant Isopod's relatively diminutive metric sized compared to their truly gargantuan Imperial cousins. Those things get 10 times larger than I would've thought! Excellent video as usual.

    @spore124@spore124 Жыл бұрын
    • Same with the imposing 7cm greenland shark

      @Isaac_howell@Isaac_howell Жыл бұрын
    • 😭😭😭 Ugh I should’ve got more sleep before attempting conversions

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts I wouldn't worry about it too much, the overall quality is otherwise top notch, I love these documentaries you do!

      @Isaac_howell@Isaac_howell Жыл бұрын
    • @@Isaac_howell Thanks Isaac, I really appreciate that!

      @NaturalWorldFacts@NaturalWorldFacts Жыл бұрын
    • @@NaturalWorldFacts Our ability to joke about the mistake means that no actual information was misinterpreted. Merely a tiny slip up in presentation.

      @spore124@spore124 Жыл бұрын
  • Thank you for having captions!!! There’s so many documentaries on this platform that do NOT include them, they are hugely appreciated!!!

    @mattimac77@mattimac77 Жыл бұрын
  • Had this documentary in my 'watch later' list for over seven months but am very glad to have finally watched it!

    @aaronamour6101@aaronamour61014 ай бұрын
  • Honestly watching these , I’ve learned so much . I use to watch ocean documentaries on vhs as a kid . Imagining me swimming around .

    @TheFourBusyDebs@TheFourBusyDebs Жыл бұрын
  • I'm getting so much inspiration for my illustrations. Thank you for crafting these masterpieces of documentaries.

    @ingridc0ld@ingridc0ld Жыл бұрын
KZhead