Octopus skin is as soft as a bunny rabbit. The only hard part of an octopus is its beak, which is used to crack open shells. An octopus can fit through a hole the size of its beak.

An octopus is a very intelligent invertebrate. It can dig its own den and close the entrance with stones after it retreats inside.

An octopus is a master at camouflage, changing colors ranging from brown to red to fit its surroundings. It dispenses a black ink into the water to hide from enemies as they make an escape.