The answer is the octopus mystery.

Mystery: The head is as round as an egg, eight long legs are like braids, and the whole body is soft and strange, so it is difficult to see it hidden at the bottom of the sea. (Hit an animal)

Answer: Octopus.

Mystery: Octopunch loves to spray juice, which crustaceans eat. (Hit an animal)

Answer: Octopus.

It has eight legs, but it can't walk and often crawls on the bottom of the sea, but squid can't. (Hit an animal)

Answer: Octopus.

One head and eight feet, eyes and no hands. (Hit an animal)

Answer: Octopus.

A head with eight feet, red all over, no hands. (Hit an animal)

Answer: Octopus.