1, octopus life often says that octopus has eight wrists, while octopus has ten wrists.

Octopus has a very soft body, while cuttlefish has a hard bone.

3. Octopus has a short oval body, and the distinction between head and body is not obvious, while cuttlefish is the opposite.

4. Octopus looks like a ball and is very soft. Cuttlefish is flat and very wide.

Octopus moves slowly and likes to crawl along the seabed, while cuttlefish can swim quickly in the sea.