The Evolution of Squid

Molluscs are usually the simplest of creatures often not having blood vessels, sometimes even lacking a proper brain. But one group of animals challenges this, Squid and their other Cephalopod cousins, cuttlefish and octopus. Surviving multiple mass extinctions bouncing through the turmoil of the planets changing environments the cephlapods were shaped and warped from an often simple group of creatures into very advanced forms. Some incredibly alien to us like their multiple brains and limbs, while others were convergent evolution like their closed circulatory systems and camera style eyes. But always with a twist reminding us how distantly related these creatures are from us. Their story is the evolution of molluscs turning into super molluscs.

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Sources:

[SpankinDaBagel]

That little dude in the thumbnail has a sweet hat.

[bugjams]

Ancient Squid: Too squishy, yet not intelligent enough to evade predators

Evolution: *c o n e*

[slothape]

That thumbnail looks like a squid pretending to be a shark to scare tourists

[jacopodelbo]

Me: "Why am I always so tired?"
Me at 3 am: "Mmh, s q u i d"

[kinangeagle]

I can imagine those living fossils telling modern squids the good old “back in my day the water was clean.”

[nightshades]

Never change Chambered Nautilis, I love you just like you are ^.^
I really don't want Nautilis to go extinct. Please don't die friends.

[TakoyakiStore]

I find it remarkable that Argonauts (a kind of octopus) make a brood nest out of a material that they secrete that bears a striking resemblance to the coiled shells of the nautilus and ammonites despite being made from completely different processes. It's like they wish they still had shells.

[RumCaptain]

Think about all the species that existed in the past that never fossilized.

[cord]

Cephalopod: you ain’t as flexible as me bro

Vertebrate: at least people will know I existed

[beaversforlife]

pick your hat shape:

Cone
Spiral
Wizard hat
Brain hat

[UlexiteTVStoneLexite]

Hehe I love the word Siphuncle. I always think it's a hybrid of Simon and Garfunkel.

[keithkyli]

When he talked about cephalopods moving deeper to avoid conflict with fish, it came to my mind that some of them have evolved into the biggest invertebrates, only to be eaten by sperm whales - which are themselves an oddball for mammals, evolved from fish, returning to the ocean with a lot of detours.

[freddykingofturtles]

"But never again would they dominate"

"Is that a challenge?!" -Ammonites, before the great ink war of 2021

[TheSkullConfernece]

There really is no end to how much mollusks amaze me. They truly are the most fascinating creatures that I have ever stumbled across.

[Corium]

The Nautilus is such a fascinating animal. I looked into it more and apparently they were hunted. Their inner shells were used for pearl substitutes in the Renaissance. Makes me amazed to think they've managed to survive this long

[SA-bebn]

Your channel is growing hella fast, as it should be.

[KomodoMagic]

Squids, also known as Cthulhu Cultist

[SuperMrHiggins]

I for one, in showing due deference to our future squid overlords, am greatly appreciative of this video showcasing the evolutionary history of life's greatest achievement.

[iwasadeum]

Mollusca is probably my favorite phylum of organisms. Incredible adaptability and intelligence, packaged together with a very short lifespan. The core layer of organisms that will most likely survive any extinction event in some for or another.

Imagine if octopus could live to be 78 years old like humans. What would they look like and how would they act? Makes you wonder how each phylum would look like had they been chosen by evolution to perpetually evolve.

[lemmingscanfly]

Pretty sure squids and octopus are closer related to things like ammonites than nautilus are.
Nautilus are part of a further off slightly more primitive sub-family .