What is the difference between octopus and squid? A quick guide to telling them apart

The octopus is the octopus, belonging to the class Cephalopoda, order Octopoda. It has eight arms, has suckers, and also sprays ink; its tentacles are relatively long and its body is not very large. The octopus has a relatively well-developed brain and is a master of mimicry and escape in nature. Squid belongs to the class Cephalopoda, order Teuthida; it has suckers and ten tentacles, and its head is relatively large. The fins at the tail end are triangular, and its body is very soft.

I. Characteristics of the octopus

The octopus, also known as the octopus, belongs to the phylum Mollusca, class Cephalopoda, order Octopoda. It has eight highly sensitive arms, and each arm has about 300 suckers, whose suction is also very strong. If an octopus encounters danger, it sprays ink to escape. When it undergoes emotional changes such as panic, excitement, or agitation, its skin changes color. The octopus is also very intelligent and is a master of mimicry and escape in the animal kingdom.

II. Characteristics of squid

Squid, also called soft squid or arrow squid, belongs to the phylum Mollusca, class Cephalopoda, order Teuthida. Its body is conical in shape and pale in color, with light brown spots; its head is large, with 10 tentacles at the front, and the fins at the tail end are triangular. It often swims in schools in the ocean at a depth of about 20 m. Squid meat is tender, and many people very much enjoy eating squid. At present, there is a large amount of artificial farming.

Both octopus and squid can be eaten. Octopus can be eaten raw or cooked, and eating it raw is especially good; squid must be cooked thoroughly before eating, because its body contains a polypeptide component, and if it is not cooked through, it often causes diners' gastrointestinal motility to become disordered, resulting in abdominal discomfort.