Author(s): M Krishna Menon
Large numbers of the swimming crab Neptumts sanguinolentus are caught and marketed at Kozhikode and the neighbouring places on the West Coast of the Madras State from January to April or.May. It has been obtained in fairly good numbers during these months in the regular departmental catches of fish. Two other species also, N. pelagicus (Linn.) and Charybdis natator (Herbst) have been captured sporadically; but they were always few and did not make any appreciable contribution to the crab fishery at this place during the seasons of 1950 and 1951. The results of the study of this material, collected in the course of the last two years, are embodied in this note.