Squid and squid are cephalopods. Squid is also called "cuttlefish" and squid is also called "squid". Compared with them, their appearance is similar, and their feeding habits are similar. But after all, they are two different organisms, so they are different in the following points:
1. Family and genus differences: Squid and squid belong to two organisms, so their family and genus categories are different. Cuttlefish are members of the family Sepiidae and the genus Sepia, but squids are members of the family Loligo and the genus Sepia.
2. Appearance difference: There are some differences between squid and squid in appearance. Like their bodies. Cephalopods are generally composed of three parts, namely the head, enough, the body of three parts. Among them, the shape of the body is different, the body of squid is bag-shaped, but the shape of the body of squid is cone-shaped. For example, the distribution of suckers on their tentacles is also different, the suckers on cuttlefish arms and feet are generally four rows, some varieties can be more, or even up to dozens of rows. Squid brachiopod on the sucker is also generally 2 rows, some species are 4 rows. Then there is their inner shell, which is horny and looks transparent; The inner shell of squid is calcareous and more developed than that of squid.
The above has been introduced the difference between squid and squid, in fact, their IQ is almost the same. A similar mollusk is the octopus. There is a difference in IQ among the three, octopus has the highest IQ, smarter than squid and squid.