On a Smooth Hammerhead Shark, Sphyrna zygaena (Linnaeus. J 758) New to Indian Waters

Abstract

A mature female smooth hammerhead shark, Sphyma zygael1a ( Linnaeus), 2 .14 cm TL (T<lbJe I). was collected on 6- 10-1975 from the hook and line fishing operated from the mechanised vessels off Porto Novo at a depth of 80-90 meters. Since hammerheads are ident ified from the shape of head and teeth s truCtures only, the head has been preserved in the museum of the Marine Resea rch Laboratory of Annamalai University, Porto Novo.