Frequency of occurrence of Heterosaccus indicus(Rhizocephala) on the edible crab Neptunus pelagicus in the Gulf of Mannar

Pillai, C S G and Thomas, P A (1972) Frequency of occurrence of Heterosaccus indicus(Rhizocephala) on the edible crab Neptunus pelagicus in the Gulf of Mannar. Journal of the Marine Biological Association of India, 14 (2). pp. 867-868.

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Abstract

Heterosaccus indicus Boschma parasitises the blue swimming crab Neptunus pelagicus. During January 1967, the authors examined 1836 crabs caught by crab titps in the vicinity of the Regional Centre of Central Marine Fisheries Research Institute, Mandapam Camp. While 12.2 per cent of the total population examined was found to be infe^d, 28.1 per cent of the females had parasites. The ratio of female hosts to male was 1:1.3.: It was also observed that S .8 per cent of the infested crabs possessed more than one parasite.

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