An instance of hermaphroditism in the Indian mackerel Rastrelliger canagurta 'Cuvier'

Abstract

While instances of hermaphroditism are known to occur in the European mackerel (Scomber scombrus L. no such cases are on record fcr the Indinn mackerel, Rastrelliger canagurta. It is interesting to report, therefore, the occurrence of a single hermaphrodite specimen of R. canagurta in a sample taken from the fish market at Karwar and reported to have been caught at Majali, seven miles north of 'Karwar on 25th March 1958.