crustacea Depiction of an umbrella squid, a mollusk identified by the author in the Mediterranean Sea Depiction of an umbrella squid, a mollusk identified by the author in the Mediterranean Sea Depiction of bobtail shrimp, a mollusk identified by the author in the Mediterranean Sea Depiction of a dwarf bobtail squid, a mollusk identified by the author in the Mediterranean Sea Depiction of an umbrella squid, a mollusk identified by the author in the Mediterranean Sea