The octopus is known for a number of things: its flexible body, ink squirts, and of course, eight arms. With about 300 species, these cephalopods inhabit every ocean of the world and can be found on ...
The octopus is one of the coolest animals in the sea. For starters, they are invertebrates. That means they don’t have backbones like humans, lions, turtles, and birds. That may sound unusual, but ...