JPR Advance Access originally published online on May 14, 2007
Journal of Plankton Research 2007 29(7):605-617; doi:10.1093/plankt/fbm043
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The larvae of the spider crab Pisoides bidentatus (A. Milne-Edwards, 1873) (Decapoda: Majoidea: Pisidae) reared under laboratory conditions
Institute of Marine Biology, Far East Branch, Russian Academy of Sciences,17 Pal'Chevskogo Street, Vladivostok 690041, Russia
* Corresponding Author: okorn{at}mail.primorye.ru
Received on November 6, 2006; accepted on April 24, 2007
| Abstract |
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Larval development of the spider crab, Pisoides bidentatus (A. Milne-Edwards, 1873) (Decapoda: Majoidea: Pisidae), inhabiting the Russian waters of the Sea of Japan is described and illustrated for the first time from larvae reared in the laboratory. The development included two zoea and one megalopa, thus following the typical pattern in the Majoidea. At a temperature of 2022°C larval development of P. bidentatus took from 9 to 13 days. The comparative analysis revealed that the larvae of two Pisoides species differ in numerous characters whereas zoea of P. bidentatus and Pugettia quadridens belonging to different families are nearly identical. According the larval characters, P. bidentatus and P. quadridens should be assigned to one genus. The larval data lend the support to revision the taxonomic position of P. bidentatus.
Communicating editor: K.J. Flynn