Do cuttlefish belong to Cnidaria

Answer 1

Cuttlefish are in fact invertebrates. This is because they are not actually fish, as their names hint. Cuttlefish are mollusks, and are in the same group of animals as species such as octopuses or squid.

Answer 2

Cuttlefish are invertebrates in the phylum Mollusca, class Cephalopoda. Cephalodpods, such as the cuttlefish, are distinct from other mollusks in that they exhibit bilateral symmetry and a modification of the "foot" portion of their bodies into a collection of tentacles. Cuttlefish have internalized the characteristic shell of the mollusks in the form of the cuttlebone, which is commonly known as the tough white material given to parakeets and other caged birds as a source of calcium. Cuttlefish have W-shaped pupils, release a brown pigment called sepia when they are alarmed, and are considered to be one of the species most proficient at camouflage in the world.

Cuttlefish are also considered some of the most intelligent invertebrates in the world. Other examples of cephalopods are octopuses, squids, and nautiluses.
"Cuttlefish are Marine_(ocean) animals of the Order_(biology) Sepiida belonging to the Class_(biology) Cephalopod(which also includes Squid, Octopus, and Nautilus). Despite their common name, cuttlefish are not fish but Mollusk. Recent studies indicate that cuttlefish are among the most Cephalopod_intelligenceInvertebrate."

Answer 3

No, cnidaria are the jellyfishes, corals, and sea anemones. Cuttlefishes are molluscans.