A peculiar larval stage of certain decapod Crustacea, especially of crabs and certain Anomura.
a free-swimming larval stage of various crustaceans
the meroplanktonic larva of a crab
an early larval stage of crabs and shrimp.
an early larval stage of many crustaceans
Early larval stage of lobsters and crabs.
The zoea is a free-swimming larval stage of crustaceans. It follows the nauplius stage, and precedes the post-larva. Zoea larvae swim with their thoracic appendages (as opposed to nauplii, which use cephalic appendages, and megalopa which use abdominal appendages for swimming).