Simon Conway Morris

If you go to the octopus, and if you're not too squeamish, dissect it. You'll find that it has a camera eye which is remarkable similar to our own. And yet we know that the octopus belongs to an invertebrate group called cephalopod mulluses, evolutionarily very distant indeed from the chordates to which we belong.

British Scientist

Cephalopods are marine animals, so the term is used in oceanic and marine biology contexts.

Sea Creatures

Cephalopods are known for their intelligence, a notable point when discussing animal cognition.

Intelligence

All cephalopods have tentacles, but the number varies, which can be a talking point.

Tentacle Count

 the moving rock trick so we're learning lots new from the shallow water still exploring that deep learning lots from the shallow water as a good reason why I mean the shallow water is full of predators here's a barracuda and if you're an octopus or a cephalopod you need to really understand how to use your surroundings to hide in the next

Underwater astonishments...

 His motion blends right into the background -- the moving rock trick. So, we're learning lots new from the shallow water. Still exploring the deep, but learning lots from the shallow water. There's a good reason the shallow water's full of predators -- here's a barracuda -- and if you're an octopus or a cephalopod,

 david how are you doing all right how are you brett is an expert on the early stages of cephalopod life that group of animals that includes octopuses cuttlefish and squid

Baby Octopuses Hunting PIPE...

 that's beautiful I can see it Ripple that's great I told mantle there well this is great oh there I love me a good cephalopod the