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Zoea |
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zoea [zō′ē·ə]
(invertebrate zoology) An early larval stage of decapod crustaceans distinguished by a relatively large cephalothorax, conspicuous eyes, and large, fringed antennae. Zoea a pelagic larva, one of the developmental stages of decapods. The body consists of a cephalothorax and a segmented abdomen. Only the front thoracic appendages (maxillipeds) and only the hind abdominal appendages (uropods; absent in crab zoea) are developed; the rest are in the embryonic state. The eyes are sessile. The zoea swims with the aid of its maxillipeds. The unique crab zoea have an almost spherical cephalothorax (with long fore, dorsal, and two lateral spines) and narrow abdomen. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | Neotrypaea californiensis cultured stage 1 zoea and adults, preserved in 95% EtOH, were obtained from the USDA Agricultural Research Service (Newport, Oregon USA). Length of time from zoea I to megalopa varied from 20 to 31 days. When crab eggs hatch, tiny larvae called zoea emerge. |
Zoea |
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