1. Biological characteristics:
Octopus is a kind of mollusk, belonging to invertebrates. It has eight long tentacles, each with many suckers for catching prey.
Squid is also a mollusk and belongs to invertebrate, but it usually has only two long tentacles and six short tentacles. Squid tentacles also have sucker, but relatively few.
2. Appearance difference:
Octopus usually has a thick body, the length of tentacles is relatively consistent, and there is no obvious membrane between tentacles.
Squid's body is usually slender, and its two long tentacles are very obvious, and there is a film between them, which makes it look more like an elegant shape.
3. How to eat:
Octopus is a common ingredient, and it is usually necessary to remove internal organs and suckers before cooking. It can be roasted, boiled, fried, stewed and made into various delicacies, such as octopus roast and octopus rice.
Squid is also a popular food, which is usually used after removing internal organs and shells. Squid can be cooked into fried squid rings, caviar, squid pasta and other delicacies.
4. Cooking purposes:
Octopus is usually more tender and smooth, suitable for making all kinds of sushi, sashimi and grilled food.
Squid meat is slightly chewy and suitable for making fried food, pasta and seafood salad.
To sum up, there are obvious differences between octopus and squid in biological characteristics, appearance, eating methods and cooking purposes. Understanding their differences helps to choose suitable ingredients and try different food preparation methods.