Definition, Meaning & Synonyms

nauplius

noun
/ˈnɔː.pli.əs/
Definition
A nauplius is the first larval stage of certain crustaceans, including shrimp and crabs, characterized by its simple body structure and three pairs of appendages.
Examples
  • The nauplius stage is crucial for crustacean development as it begins life as a free-swimming larva.
  • During the nauplius phase, the organism exhibits limited mobility as it drifts with ocean currents.
  • Scientists often study the nauplius to understand the life cycles of marine species.
Meaning
In biology, it refers specifically to the early developmental stage of crustaceans, which possesses a single eye and a simple body plan that evolves in subsequent stages.
Synonyms
  • larva
  • embryo
  • juvenile