Why Do Animals Keep Evolving Back Into Aquatic Forms?

[@ShepardBobSmith]

It’s the only way to reach true evolutionary perfection; to become crab

[@hydrofrog6496]

I love this meme

[@Anglo-Saxon9]

They were created in gods image.

[@gavhenrad]

Crabbish

[@Jezeus11]

🦀🦀🦀🦀🦀🦀🦀

[@neilz.]

🦀🦀🦀🦀🦀🦀

[@temmy9]

There is a group of wolves in British Columbia that have taken on a more piscovorous lifestyle. They were forced out of thier old hunting grounds a few generations ago and had to find new sources of food. These wolves are smaller, better swimmers, and are becoming genetically distinct from inland wolves.

[@78deathface]

Are they the ones in the gulf islands? I remember hearing about wolves that have migrated by swimming between the islands hunting deer.

[@temmy9]

@@78deathface yes.

[@planescaped]

Move over Sea Lions and seals... Salty Sea-wolves are'a comin' in the next million years.

[@78deathface]

@@temmy9 I saw the biggest otter I’ve ever seen while I lived in Powell River on the Sunshine Coast, it was easily as big as a pitbull and looked as powerful as those dogs. I thought it was a sea lion swimming around until it came strutting up onto the shore. Not really relevant to anything, I just love the biodiversity of that area, I miss living there...

[@bendover9813]

@@planescaped I, for one, and hype to see boats get chased by packs of sea wolves lmao

[@hallamhal]

To quote the Guide: “Many were increasingly of the opinion that they'd all made a big mistake in coming down from the trees in the first place. And some said that even the trees had been a bad move, and that no one should ever have left the oceans.”

[@TomTom-rh5gk]

Man's original sin was learning to reason. I am glad that I was born in sin but most aren't.

[@Sea_Leech]

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[@kaijuhunter7458]

"Modern marine mammals do not dominate the ocean" Orcas inhabiting every ocean and claiming the apex predator role in every area they live in: Am I a joke to you?

[@nIhIl34]

Cthulhu tho

[@nIhIl34]

Checkmate

[@ryanchen1819]

He could’ve meant that there are less species of marine mammals compared to other sea organisms overall.

[@susanharris5926]

Orcas do not dominate every ocean and are not the apex predator in every area they live in. I live in the Pacific Northwest and assure orcas have suffered under the apex predator - that is us on land or in the ocean.

[@kaijuhunter7458]

@@susanharris5926 You do realize that literally every animal would be classified beneath humans in that regard? By that logic, tigers and bears aren't apex predators. When that term gets used, it basically is a given that there's a caveat of "except humans, of course"

[@v.k5417]

Amphibian ancestors: *I worked so hard, SO HARD just to walk on land, and you, you just undid it, just like that!*

[@zach6395]

*"Take me homeeeeeeee, country roaaaaaaaads"*

[@leoornstein3963]

Reject terrestrial, back to aquatic!

[@frostbitetheannunakiiceind6574]

Lol

[@arandomwalk]

Monke

[@zach6395]

*"Take me homeeeeeeee, country roaaaaaaaads"*

[@Ispeakthetruthify]

I spent 9 months trying to get out of living in fluid....I AINT GOING BACK!!!

[@humanspoder777]

The thought of a friggin Lizard-seal is so funny 🤣

[@v.k5417]

e

[@nIhIl34]

Kinda scary tbh

[@OneWhoKnowsThings6009]

Mosa

[@mario97br]

@@OneWhoKnowsThings6009 Thats already lizard-whale class 🤔

[@Ispeakthetruthify]

Reptiles went back to the oceans millions of years ago. Mosasaurs, plesiosaurs, ichthyosaurs, etc, etc, etc.......

[@canis2020]

Animals other than crabs keep trying to get back to water. Crabs keep evolving to invade the land. The world has gone CRAZY!

[@noctinopheles]

things keep evolving into crabs also

[@hamz5791]

Why is your pfp an armadillo with spider legs?

[@AreGeeBee]

The crabs are the true inheritors of this earth, and I have devoted myself to preparing human civilization to accept our crustaceous overlords

[@bri1085]

@@hamz5791 it's evolving into a crab

[@harrietharlow9929]

LOL

[@TheAftaaa]

Because breathing 02 from air is more concentrated than dissolved solitary oxigen in water. Allows more muscle action (flex!!) Therefore, there is a huge lucky advantage to go back under the waves with lungs.

[@julianjpantoja4603]

Hey can you provide sources? I am not questioning your knowledge, i need this information for an essay and i cant find anything about this. Thanks!

[@LachskoenigIV]

Which you then have to dodge by adapting for your muscles to use less oxygen to spend a viable time underwater. Meh.

[@semaj_5022]

Great video! Your narration style is very clear and calming. I enjoy listening

[@erichtomanek4739]

Food, food, food, that's all they think about. If food on land is restricted, then some land animals may try to find food in water. Refer to marine iguanas and sea cows.

[@thefolder69]

That's an oversimplification. Environmental and reproductive factors are equally important, if not more so.

[@maniacram]

Perfect. You hit the nail on the head. I mean water creates food, so obviously there is more food in the water. Duh.

[@rojusurbonas6583]

That feeling when you find a new great channel to explore!!!

[@CMZneu]

Great video! I don't think people get how unbelievably overpowered lungs are, so much in fact that they are arguably better than gills even in aquatic environments.

[@lesleeg9481]

I was skeptical but this is really good. Also kudos to your artist, Christopher Chavez. Great work both of you.

[@malakiblunt]

love your videos with ther calm and well reasoned presentation

[@lilitheden748]

Thanks for this beautiful video. The pictures with the Dachshund and the seal were super funny 😄

[@KerryLiv]

Impressively researched and presented! I'm binging on your channel and look forward to your videos in the future (happily liked and subscribed)

[@shroomer_jim]

Loved this one. I'm curious though, what about cephalopod respiratory systems allow them to be more intelligent than fish. Have they any more potential for intelligence with these systems? Cheers for the content brother.

[@davidgantenbein9362]

I read that cephalopods have a problem to hunt crabs over longer distances due to their respiratory system. So they use their intelligence and other characteristics for ambushes instead. So it seems less of a better respiratory system and more of a different approach of how to use oxygen compared to fish or crabs.

[@K-Boogie7999]

That is a great question I always thought about that

[@invadertron100]

Thanks, I enjoyed the journey you took us on to answer that question.

[@nicknoga564]

Great video on a fascinating topic. And I have often wondered myself about the counter-intuitive benefits that terrestrial tetrapods have in the water compared to fish/sharks. I never considered the benefits of breathing oxygen through the air with lungs as being a vital component for a large brain... but it totally makes sense. And as intimidating as a great white shark is, they’re tactical amateurs compared to the Orca (which occasionally preys upon them).

[@DragonFruitXVI]

Because land is much more tuff. Land animals are so overwhelmingly good they even dominate under water. Simple mans answers.

[@maniacram]

Not really. It's just boosted metabolism and brain power due to ability to breathe air, cause they have lungs 🫁. A water breathing animal has no way of maintaining the speed or brain power of animals transitioning from land since there is just not enough dissolved oxygen boost their metabolism. For example fast swimming fish such as sailfish can only maintain their speeds for short bursts. Maybe go with actual facts instead of trying to boost your ego next time. It also goes both ways. For example insects were the dominant land animals at one point, so why didn't they 'toughen up' and take water too? Instead it was the aquatic fish who invaded the land at that time. Who knows, next it might be the turn of the octopi to invade land and start dominating as a species.

[@blackchang1981]

I had a similar thought/question earlier this week when I came across the concept of "Devolution" and wonder why certain mammals decided to go back to aquatic life when evolution "seemed" to move away from being restricted to it (Aquatic life). Great video 👍

[@windhelmguard5295]

yea mammals have many adaptations that no other aquatic animal has, they have more effective hearts and ears, not just brains.

[@Ispeakthetruthify]

Well terms like evolution and devolution, can be tricky. Evolution is a term that means going forward, "evolving" in what is considered the "right direction" for progress. And devolution is the opposite of that. But in the real world, and many times in nature, that's not always the case. Nature is about survival and taking advantage of opportunities: If you're a land animal, and happen to figure out that there is more food and resources in the water/oceans, you may begin the process of becoming fully aquatic. It's like people living on an island. Food sources on the island may be scarce to none, but the water around the island, is full of food sources. So the people take to the water to make a living. And there is more water than land on this planet, so going back to the water, would not be restricting at all. You're actually expanding your horizons, coming from the land.

[@Dr.IanPlect]

@@Ispeakthetruthify "Evolution is a term that means going forward, "evolving" in what is considered the "right direction" for progress." - tripe

[@anisamoreno49]

I love your videos. Very informative.

[@jaisanatanrashtra7035]

Because life started in water so basically motherland calls ❤️

[@maniacram]

You mean motherwater 😏. Ok I'll stop.

[@zach6395]

*"Take me homeeeeeeee, country roaaaaaaaads"*

[@gregorymckenzie7511]

Animals > Get tired of living in the ocean > Evolve to live on land > ;n; Ocean was better, go back

[@MaryAnnNytowl]

This is yet another very good video! I'm really glad I found your channel!

[@larserikolofosterling2338]

Thank you for a very well made youtube chanell. The best of luck to you!

[@GarryDKing]

a similar question is why crustaceans keep evolving the crab shape. the answer is simple: everything in the universe will eventally become crab like. the sea is calling land lubbers back so they can become crabs. Millions of years from now, humanity too will become more like Zoidberg.

[@tinyGrim1]

This is great, thanks 😊

[@abdellahiehreimo3402]

Very beautifully informative✌⚘

[@brendangolledge8312]

I believe the easy answer to the question is that terrestrial animals breathe air, and there is more oxygen to breathe in the same volume of air than in the water. That means air breathers can be more energetic than water breathers. I suppose aquatic animals do not evolve to breathe air because evolution only takes a step if each step is incrementally better than the previous one, and evolving away from functional gills to functional lungs is not beneficial for a fully aquatic animal until the transition is complete. There was no need to fully transition to lung use except when transitioning from water to land, but when transitioning from land back into water, it is not beneficial to re-evolve gills since lungs are better.

[@goatrex9195]

Wow, I'm definitely gonna learn something new. I can already tell that this video involves whales, one of my favorite animals! So this video will definitely be interesting! Especially since I've always wondered why aquatic animals changed their form

[@visi7754]

Cracking video informative, interesting and especially Enjoable! Cheers

[@leftenantthunder]

Return to monke then return to fish

[@GeorgeTheDinoGuy]

There’s something brilliant about this video!

[@adrianfrisby6935]

Humans: why do animals keep evolving back into aquatic? Dolphins millions of years in the future: why do animals keep evolving back into land?

[@rezaachmadi6579]

Doggo and water doggo, so cute

[@goatrex9195]

7:33 same here! Spinosaurids are one of the best!

[@jared_slouch395]

Love your content man, really interesting!!!!

[@davidgantenbein9362]

So it’s basically the ability to develop into a semiaquatic lifestyle as a jumping point that makes this possible. But what really doesn’t seem to happen at all anymore is aquatic vertebrates developing into semiaquatic or land based animals. It seems that this evolutionary direction is totally blocked by the land based vertebrates since quite some time.

[@GtaRipper]

4:46 those eyes scared the shit out of me lol

[@dyslexiusmaximus]

such a great topic of conversation.

[@julieblair7472]

Something about the way he says "ago" makes me feel good.

[@evangould5677]

They're preparing for something.. maybe we should too

[@joeshmoe8345]

Awesome video thanks a lot!!

[@grizzlymanverneteil4443]

Very well made video. Subbbbed.

[@Keigo_88]

Everyone gangsta till mammals convergently evolve gills

[@dumoulin11]

Fascinating, thank you!

[@Krill_all_health_insuranceCEOs]

Can you enable the speed adjustment? Thanks! I love your content but I need to be able to speed it up. 👍

[@jazharimzahtani1757]

Everything will return to crab eventually. Crab is the peak of evolution. Crab is life. Crab is love.

[@niklassule-unofficial4200]

Crab cool

[@WilAdams]

Very good job. Still, I cleave to the far more simple explanation provided by author Larry Niven in his classic book Ringworld. "Whenever or wherever there is a food source, something will evolve to eat it'.

[@andresgenshinclips4229]

Even if the question was meaningless, this information is fascinating.

[@savharris5702]

This was well done

[@thordresler2727]

great vid keep it up ^-^

[@Ohboymason]

Is there an audio pop for anyone else at 3:44?

[@sephikong8323]

My first thought about why land animal going back to the sea are successful is because they breathe air, which has a much higher concentration of Oxygen than the water helping them to have a faster metabolism than most of their competition, especially if they go into deeper waters

[@LittleMushroomGuy]

Don't return to monke Return to Fish

[@nategthepigeonlord2683]

The forbidden aquatic ape hypothesis

[@Anhviet19]

I've already found this fascinating

[@madsgrams2069]

There have been aquatic reptiles in the Permian, before the ichtyosaurs, like Hovasaurus or Mesosaurus.

[@NORTH02]

“one of the first” is what I said.

[@j.d.h.5153]

This destroyed the creationistic ideology very well👏👏 Greetings from germany🎩

[@Ysumbruh0]

This is many of the reasons why I’m trying to overcome thassalaphobia

[@ant_boi_0934]

Can you make a video on kentrosaurus

[@carboxysome2630]

I think the main reason is that there is more oxygen in the air than in water. If you can breathe air and be aquatic, you have an advantage over water-breathing animals. Being warm-blooded adds yet more evolution points.

[@kenhiett5266]

The reason: whatever the evolutionary pressures are on that particular organism at that particular location at that particular time.

[@JamesSmith-pp5vp]

Girl: "I'm a cancer" Me: "you wish. You wish you were so well adapted."

[@jeromebarry1741]

Consider: Terrestrial critters which successfully returned to the ocean, whether they be whales, penguins, or manatee, did so because they had enough brains to discover and exploit a food resource. All terrestrial life forms retain archival genetic programming for aquatic tools.

[@spiderdog07]

This is a question I've had on my mind for a long time, I was wondering why reptiles and mammals were able to outcompete fish for the niche of alpha predator in the ocean. I assumed that because fish have gills and thus are better adapted to aquatic life that it was odd for them to be outcompeted by terrestrial animals. I was unaware of the Brain size issue. Thank you for the great video.

[@Ispeakthetruthify]

Well the term outcompeted, may be a bit of a stretch. Fish are by far the dominant species in the oceans, in terms of numbers and variety. Nothing is better at living in the water than a fish. Sharks have dominated the oceans for hundreds of millions of years, longer than either marine mammals or reptiles. And even with new competition from former land dwellers, they still haven't skipped a beat. Nor has any other fish species in their presence. Now marine reptiles and mammals, have indeed been HIGHLY successful in their journey back to the water, but much of that has to do with vastness and richness(food wise) of the oceans. Even with a lot of niches filled, there are still numerous open niches, and plenty of food to go around. Once you find a niche, become successful in it, now you may have the luxury to start expanding your range, and adding other niches to your species' resume. And in this process, some advantageous physical features may begin to evolve, especially size and maneuverability. The ancestors of modern whales first took to the oceans eating small fish, crustaceans, and aquatic plants. They eventually evolved and expanded to be good sized meat eaters. They then learned to take advantage of the GREATEST food source the oceans have to offer(plankton and krill), and evolved into the largest animals the planet has EVER seen. That's nature for you, you just never know. Who would have ever thought some small, relatively defenseless primates on the African savannas and forests, would go on to become the dominant species on the planet?

[@frostbitetheannunakiiceind6574]

*"Reject land, return to ocean"*

[@nombrepredeterminado8171]

Amazing!

[@darthcheney7447]

Cool vid

[@nolandderlugner1351]

I wish we had a a time machine bubble to ,,visit" the old times of our planet

[@galoglaich3281]

Can they return to land on a island without land mammals for example furred seals

[@ayoutubechannel8228]

This is an interesting video but why does the narrator sound like he's depressed and about to cry

[@yetigriff]

Somewhere along the line a dog had it away with a fish. This is how seals were created.

[@richardmyhan3369]

I decided to watch this video specifically because of the thumbnail. 😂😂

[@alvaronavarro4895]

Next make: *Why do humans only want to evolve back into MONKE?*

[@headdragondavidaustinsimmo4025]

Final stage of evolution painted people horses then goes back to normal its amazing

[@silentvoiceinthedark5665]

You should do video on the divergence of whales, dolphins, orcas, seals and any other related animal oh now I remember the walrus, now there is a unique animal they evolved to a point where even polar bears have trouble bringing one down

[@dynamosaurusimperious6341]

Cause being aqautic is fun,just look at swimming monki *also i must still this was a nice video to watch while also being in my 3rd period Life Science rhat was recently we're being taught about evolution.

[@thomascorbett2936]

Very interesting .

[@rosastephens8966]

OMG ! I ❤ Crystal Blue Persuasion!!

[@BarelyDecentProduction]

so if fish was handicapped then we're really lucky that one fish decided to give living on land a try

[@zach6395]

*"Take me homeeeeeeee, country roaaaaaaaads"*

[@JcoleMc]

13:08 straight of up roasting that fish

[@greenghoul157]

Whales be like go back I want to be fish

[@williamjordan5554]

Seals are more closely related to bears than dogs.

[@salvagemonster3612]

Ah yes. Thus the idea of the aquatic ape theory. Or Aquaman

[@valipunctro]

Poor fish, getting bodyed time and time again by land invaders.

[@unclemiguel4221]

imagine aquatic cats

[@robertgotschall1246]

So aquatic vertebrates evolved into land reptiles which then evolved into aquatic Mosasaurs which then evolved back into land reptiles like Komodo Dragons. That's some kind of DESIGN strategy for sure. Forcing the fish to have large brains caused them to have smaller guts? Interesting concept, because it is thought that human ancestors became more carnivorous, which decreased their gut size which enabled them to support larger brains. It's also thought that the first human ancestors originally left the trees to escape competition, forcing them into a new hostile environment, which required larger brains. That almost makes you think that it is the survival of the LEAST fit. Makes you wonder what "fit" even means. Very good video, thanks.

[@NORTH02]

I do not think mosasaurs evolved back into land animals, I am pretty sure they went exstinct. The reason fish evolved smaller guts in the study was because they had spend more oxygen on their brains. This in not analogous to humans at all. The point is that breathing water is just less efficient than air breathing. Also humans developed smaller guts not becuase of a lack of oxygen but becuase of more nutritious food. Thanks for watching!

[@prototropo]

Great discursive look at different assumptions, and our use of modifiers and descriptors like “return,” “dominant,” “advanced,” and the meaning of “why.” Evolution is a default outcome, not a result of any intentionality, volition or metasentience.

[@denisl2760]

"Return"?

[@myuziksohl]

Imagine if a mammal became a crab

[@soulreiner]

reject land, return to liquid

[@BragoTHEgraviyKING]

It's free real estate

[@ericdebord]

Life/evolution most certainly does have a very specific goal. "Carry on" The goal is to spread as far as it can forever. To do that life must evolve into super smart being, travel space and colonize the universe.

[@theace8502]

10:13 Big brain cetaceans vs small brain ichthyosaurs

[@bazpearce9993]

Big-brained guppies. That's an oxymoron lol.

[@elfsongtavern]

2:13 💖💖💖💖 twins