Redescription and new locality record of some helminth parasites of Clarias batrachus in Tripura, India

Abstract

The present study was taken to evaluate the occurrence of different helminth parasites in the freshwater catfish Clarias batrachus, from different parts of Tripura, India during the period of April, 2012 to March, 2015. A total of 860 fishes was collected from different sites like Agartala, Dharmanagar, Pecharthal, Damcherra, Kumarghat and Udaipur, and were dissected to recover different intestinal helminth parasites. Helminth parasites recovered from the fish were processed for whole mount preparation following standard procedure. The parasites recovered were identified as Astiotrema reniferum (trematode) Lytocestus indicus, L. birmanicus, L. longicollis, L. attenuatus, L. clariae, L. filiformes, Djombangia penetrans (cestodes) and one larval nematode belonging to the genus Anisakis.