Abstract
The larval stages of the Xanthid crab,Hexapanopeus angustifrons (Benedict and Rathbun) have been reared under constant conditions in the laboratory. The four zoeal stages and one megalops are figured and described. The zoeae can be differentiated from larvae of other Xanthid crabs by the absence of dorsal or lateral spines on the telson. The rostral spines of the megalops ofH. angustifrons distinguish it from megalops of other Xanthid crabs which have been described. At 25°C, 30 p.p.t., development to the crab required a minimum of 21 days and a maximum of 37 days. Survival to the first crab ranged from 30 to 74%.
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