SEASONAL OCCURRENCE OF HELMINTH PARASITES IN FISHES OF LOKTAK LAKE, MANIPUR

From four species of fishes namely Channa gachua (Ham), Channa striatus (Bl), Clarias batrachus (L.) and Anabas testudineus (Bloch.), five species of helminth parasites were collected comprising one species of digenetic trematode, two species of cestodes, one species of nematode and one species of acanthocephala. Nematode and acanthocephala showed moderate to high occurrence during different months while adult digenetic trematode and cestodes having quite low prevalance and even the infestation was absent during certain months of the investigation period.