Abstract
The present work was designed to compare the larvicidal efficacy of four indigenous fish namely Rasbora daniconius, Esomus dandricus, Trichogaster fasciata and Trichogaster lalia with an exotic top water minnow, Gambusia affinis in the laboratory for 30 days. The experiment was performed in glass aquarium with 100 larvae as a feed to each one for duration of 2:00 hours. The study revealed that all the fishes are concerned with larvicidal potential with differences in their feeding efficiency. Mean final body weight was found to be maximum in exotic mosquito fish, Gambusia affinis (2.52±0.414) in the present study and it was significantly different (p=0.0001) from other fishes. The sequence of predation efficacy noted in the present study was Gambusia affinis>Esomus dandricus>Rasbora daniconius>Trichogaster fasciata>Trichogaster lalia.
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