Laboratory reared larval stages of ocypodid crab Macropthalmus (Venitus) latreille (Desmarest)

S. Selvakumar, S. Ajmalkhan, R. Natarajan

Abstract



The larval development of the estuarine crab Macropthalmus (Venitus) latreille reared in the laboratory (salinity 28 plus or minus 1 ppt and temperature 30 plus or minus 1 degree C) is reported. Five zoeal stages and a megalopa were observed during the development. Characteristics of the larval stages and first crab instar are described and compared with other known species of this genus. Time taken for development from hatching to first juvenile instar was 20 days

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