zoea stage
Larval stage in ontogeny of various malacostracans but unknown in some [Moore and McCormick, 1969].
The free-swimming larval stage of anomuran or brachyuran (true) crabs; corresponds to the mysis stage of a penaeid shrimp [Bliss, 1982].

Crustacea glossary. . 2011.

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  • Zoea — o [ e]*a, n. [NL., fr. Gr. ? life.] (Zo[ o]l.) A peculiar larval stage of certain decapod Crustacea, especially of crabs and certain Anomura. [Written also {zo[ae]a}.] [1913 Webster] Note: In this stage the anterior part of the body is… …   The Collaborative International Dictionary of English

  • zoea — [zō ē′ə] n. pl. zoeae [zōē′ē΄] or zoeas [ModL < Gr zōē, life, akin to zōion (see BIO ) + ea < L, fem. of eus, EOUS] an early, free swimming larval stage of various decapod crustaceans, characterized by long, curved anterior and dorsal… …   English World dictionary

  • zoea — n. [Gr. zoe, life] A larval stage in the development of higher Crustacea. zoea I First zoeal stage with paired compound eyes that are sessile. zoea II Secondary zoeal stage with stalked compound eyes. zoea III Third zoeal stage tha …   Dictionary of invertebrate zoology

  • zoea — A larva with natatory exopods on some or all thoracic appendages, but with pleopods absent or rudimentary [Ingle, 1983]. Free living larval stage, following protozoea, present in all shrimps [Butler, T.H.]. Larval stage characterized by natatory… …   Crustacea glossary

  • zoëa — noun A peculiar larval stage of certain decapod crustaceans, especially of crabs and certain Anomura. Also called the copepod stage …   Wiktionary

  • postlarval stage — Developmental stage reached after completion of megalopal or equivalent metamorphosis; marked by initial appearance of adult characters [McLaughlin, 1980]. Ontogenetic stage reached after completion of all nauplius to zoea or megalopa… …   Crustacea glossary

  • calyptopis stage — (ARTHROPODA: Crustacea) In Euphausiacea, the third larval stage characterized by differentiation of abdomen and appearance of compound eyes; see zoea …   Dictionary of invertebrate zoology

  • mysis stage — (ARTHROPODA: Crustacea) In Decapoda, a larval stage in which only the thoracopods are used in swimming and the compound eye is stalked; schizopod larva; see zoea …   Dictionary of invertebrate zoology

  • Crustacean larvae — Larval and adult prawns Nauplius larva Adult Penaeus monodon …   Wikipedia

  • Crustacean — Crustacea Temporal range: 511–0 Ma …   Wikipedia

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