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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 3, Part H

Food and feeding habits of three air-breathing fish in its natural habitat


Author(s): Indranil Bhattacharjee and Goutam Chandra

Abstract: Food and feeding habits of three air-breathing fish namely climbing perch Anabas testudineus (Bloch) (Perciformes: Anabantidae), the walking catfish Clarias batrachus (Linnaeus) (Siluriformes: Clariidae), and the stinging catfish Heteropneustes fossilis (Bloch) (Siluriformes: Heteropneustidae) under natural conditions and the manner in which dietary preferences are influenced by the habitat, seasonal and stage of maturity of the fish are explained, based on data form monthly randomly collected samples for a year. Qualitative assessment of the diet reveals that it is not restricted to a varied range of aquatic fauna, but also encompasses allochthonous fauna. Size or season changes do not alter the diet of these fishes. Range of prey consumed by this fishes does not differ radically, qualitatively as a function of size, but quantitatively exhibits five levels of discrimination and differential exploitation related mainly to prey size. Seasonal fluctuations in feeding are more qualitative than quantitative and seems to be dependent on the occurrence of food organisms. To conclude, the potentiality of these three air-breathing fish as an effective biological control agent of mosquito larvae is indicated by the fact that dipteran larvae are preferred item of its diet mainly in small and medium sized group of fish.

Pages: 586-589  |  705 Views  26 Downloads

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How to cite this article:
Indranil Bhattacharjee and Goutam Chandra. Food and feeding habits of three air-breathing fish in its natural habitat. International Journal of Fisheries and Aquatic Studies. 2016; 4(3): 586-589.
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