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Summary
Charybdis truncata reared in the laboratory passed through 6 zoeal stages in 20 days (at 26°C and in water of 35‰. salinity) before metamorphosis to the megalopa. Kurata (1975) gave brief descriptions of the first three zoeae of this species, these are supplemented here with details of appendage structure and setation, and the remaining zoeae and megalopa are described. Comparison is made with other species by means of a key to the first zoeae of 10 Charybdis sp. Those features which allow differentiation of the megalopae of the three Charybdis sp. from Australia whose complete larval development is known, are discussed. C. truncata larval stages are closely similar to those of C. callianassa.