CATDOLL : CATDOLL: Are octopus, squid, cuttlefish, cuttlefish and cuttlefish the same species?

1. Are octopus, squid, cuttlefish, cuttlefish and cuttlefish the same species?

Octopus, cuttlefish and squid are three different animals.

Squid is a mollusk belonging to the phylum Mollusca, class Cephalopoda, subclass Dibranchia, order Decapoda, and is a shellfish.

Octopus is an invertebrate belonging to the phylum Mollusca, class Cephalopoda, order Octopi, family Octopidae.

Squids are molluscs, cephalopods, dibranchs, and decapods.

2. Are octopus, squid and cuttlefish the same animal? What is the difference?

The essential difference is: squid is a shellfish and octopus is a mollusk.

3. What kind of animal is an octopus?

Octopus belongs to the phylum Mollusca, class Cephalopoda. Amphibians and mammals both belong to the phylum Chordata!

4. Are squid, octopus and grass carp all fish?

The structure of fish includes: scales, gills, fins and flat body.

Grass carp is a type of fish.

Although squid and octopus have the word "fish" in their names, they are not fish because they do not have scales, gills, fins or flat bodies. They are mollusks.

So grass carp is a fish, but squid and octopus are not fish.

5. What kind of fish is octopus?

Octopus is not a fish. It belongs to the phylum Invertebrate and the class Mollusca. Cuttlefish is a shellfish. Cuttlefish is commonly known as cuttlefish.