A cephalopod is a snail.
A cephalopod is a mollusk and an invertebrate; it has no skeleton neither external nor internal.
Squid are a type of cephalopod. They do not live in shallow water, even though they may venture there, they prefer to live in deep water.
Yes they are
A octopus is a cephalopod that has no shell. Also squid have internal shells that are not used for protection.
The octopus is an invertebrate, therefore it cannot be a fish, which belong to the group of animals known as vertebrates. The octopus is a mollusc, and from the same group as squid and cuttlefish.
Cephalopod
A cephalopod.
bilateral symmetry
The only extant cephalopod that produces an external shell is the chambered nautilus. The shells produced by squid and cuttlefish are internal.
cephalopod
Mesonychoteuthis hamiltoni