Morphometric characteristics of the pelagic stingray Pteroplatytrygon violacea (Bonaparte, 1832) caught off Cochin, southwest coast of India

摘要

The morphometric characteristics of the pelagic stingray Pteroplatytrygon violacea (Bonaparte, 1832) areuddescribed for the first time from the Indian waters. The specimen was collected at Cochin in August, 2008.udThe mature male specimen measured 102 cm in total length, 47 cm in disc width, 35 cm in disc length andudweighed 2.5 kg. The morphometric characteristics of the specimen were very similar to that described fromudthe North Sea.