Definition of nauplius in English:


Line breaks: nau|plius
Pronunciation: /ˈnɔːplɪəs

noun (plural nauplii /-plɪʌɪ, -plɪiː/)

  • The first larval stage of many crustaceans, having an unsegmented body and a single eye.
    More example sentences
    • Some crustaceans hatch young that are like miniature adults; others go through a larval stage called a nauplius.
    • The shape of the body differs considerably between nauplii and copepodids.
    • Most metamorphosing malacostracans have a nauplius larva, but in many species eggs hatch into zoea larvae.


mid 19th century: from Latin, denoting a kind of shellfish, or from the Greek name Nauplios, the son of Poseidon.

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