Octopus and octopus are the same;

Small tube can not be said to be the same as squid, but only a kind of squid, characterized by small body and slender trunk, also known as soft fish.

Squid, cuttlefish and octopus all belong to Cephalopoda.

Squid, also known as soft fish and squid.

Cuttlefish, also known as squid and cuttlefish, belong to the same order as squid.

Squid meat is more delicious than cuttlefish. The head and trunk are longer and narrower than cuttlefish, especially the end of the trunk is very similar to the spear head of javelin, so it is called squid.

Octopus, also called octopus, belongs to a kind of octopus.

Both octopus and cuttlefish have ink sacs, which can release ink. The biggest difference is that the octopus has only eight wrists, and the sucker on the wrist has no handle and toothed ring.