How to distinguish between squid, octopus and cuttlefish?

There are many ways to distinguish squid, octopus and cuttlefish. If you look at it from the appearance, the octopus looks like a meatball, while the squid has a long and narrow body, and if it is cut cross-sectionally, it will be round. The appearance of squid is flat and wide in shape.

If you look at the body structure, octopus has eight legs, while squid and cuttlefish both have ten. The body of octopus is very soft, squid has cartilage, which is slightly harder, and cuttlefish have hard bones.

From the perspective of living habits, octopuses generally use the suckers in their wrists to crawl along the seabed, and their movements are very slow; squids swim quickly in the sea. Octopuses are nocturnal animals, very sensitive to light, and like to stay in the dark. In such an environment, squid and cuttlefish like light, so fishermen take advantage of this habit by hanging fish-collecting lights on fishing boats, waiting for them to swarm in, and then catch them all.

In addition to the above differences between octopus, cuttlefish and squid, they also have different ways of eating. Octopus can be eaten raw or cooked, and raw food is especially good. However, squid and cuttlefish must be cooked before they can be eaten, because there is a polypeptide component in their bodies. If they are eaten without being cooked thoroughly, it will often lead to gastrointestinal motility disorders and abdominal discomfort. The above is the difference between octopus, cuttlefish, and squid. Although cuttlefish, squid, and octopus have similar appearances, their nutritional value, therapeutic effects, taste, and eating methods are different, so it is necessary for us to distinguish between the three. difference. I hope the above methods can bring you convenience and make it easier for you to distinguish octopus, cuttlefish and squid.