Diversity of Crabs (Portunidae) in Royapuram Coast of Chennai, India

B Mahalaxmi


Marine crabs are globally distributed in different depths and different habitat in the marine environment. The present work was undertaken to study the biodiversity of crabs collected from Royapuram fish harbour Chennai North East coast of India. Collected samples were taken to the laboratory for identification and further analysis with common systematic keys. Five species of crabs belongings to 3 generas and family Portunida has been identified from the samples. The species are Portunu spealgicus, Portunus sanguinolentus, Scylla serrate, Scylla tranquebarica and Charybdis feriatus. The understandings of the relationships between biodiversity and ecosystem functions are thus essential for the conservation and sustainable management of coastal areas.

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