ISSN 0976-4550  
DOI: 10.21276/Ijabpt  
 
 
 
Peer Reviewed Online International Journal of Applied Biology and Pharmaceutical Technology www.ijabpt.com
 

EXOTIC FISH DIVERSITY IN THE RIVER TEESTA, WEST BENGAL, INDIA  Page No 1 to 4, Volume-9, Issue-4, Oct-Dec-2018

Tapan Sarkar and Prof. Joydeb Pal

A survey was conducted in the river Teesta on the exotic fish species from March 2015 to February 2017. A total of nine exotic fish species were recorded from the river. Highest density was recorded in the monsoon season and lowest was found in winter season. Cyprinidae (56 %) was the dominant family with five species followed by claridae and cichlidae each with two species (22 %).  Average abundance index (%) of each species ranged from 0.37 – 1.43 %. Exotic fish species competes with indigenous fish species for food and habitat, spreads different disease and also modify the aquatic habitat. The present scenario is warming for native fishes in near future.

Key words: Teesta, exotic fish species, density, abundance index

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