1, cuttlefish: The mantle of cuttlefish is bag-shaped and round, and there is ink in the mantle.

2. Squid: The mantle of squid is conical and its shape is sharp.

Second, the number of suction cups is different

1, cuttlefish: cuttlefish has a big head, a pair of eyes and five pairs of wrists, one of which is particularly long, and each wrist has four rows of suction cups.

2. Squid: The front end of squid has four pairs of wrists, one of which is particularly developed, and there are two rows of suction cups on the inside of the wrist.

Third, the internal color is different

1, cuttlefish: squid has a thin and transparent horny inner shell, so squid is a transparent color.

2, squid: the inner shell of cuttlefish is very hard, and there are ink sacs and a lot of ink in the body, so the body surface often appears ink color.