Squid is not an octopus, they are two completely different species. Octopus is the largest family mollusk of Cephalopoda, which can be divided into Octopus subfamily. On the other hand, squid is a mollusk, belonging to Cephalopoda, Cephalopoda and Cephalopoda.

Squid, also known as soft fish and cuttlefish, is conical, pale with light brown spots, with a big head, a 10 touch in front and a triangular fleshy fin at the end, and often swims in groups in the ocean about 20 meters deep. It feeds on krill, sardines, whitebait and Xiao Xiong fish, and is also the prey of fierce fish.

Squid, although it is customary to call them fish, is actually not a fish, but a mollusk living in the ocean, with a slender, long cone-shaped body and a sucker at the front end. Squid has two gills as respiratory organs.