zoea

/zoʊˈiːə/
noun
  1. The free-swimming larval stage of many crustaceans, such as crabs and shrimp, characterized by a distinct head and tail and often having spines.
    • Under a microscope, the zoea looks like a small, transparent creature with long spines.
    • The crab hatches as a tiny zoea and drifts in the ocean currents.
    • Marine biologists study the zoea stage to understand crustacean development.
Synonyms