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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 F

Growth performances, feeding ecology and prey preferences of tade mullet, Liza tade (Forsskål, 1775) in extensive brackishwater farming system


Author(s): Asish Mondal, Subhra Bikash Bhattacharyya, Susmita Mandal, Sanghamitra Purkait, Deepta Chakravartty and Abhijit Mitra

Abstract: Present study was conducted to assess growth performances, feeding ecology and prey preferences of tade mullet (Liza tade) in extensive polyculture for 9 months during February to November, 2015. Impoundments were filled with unfiltered estuarine water (17.2ppt) containing seeds of various crustacean and fish species and water was exchanged (20-30%) every lunar cycle through bamboo screens. No feed or fertilizer was applied following common practice. Tade mullet fingerlings (4.24±0.76g) added with auto stocked fishes @ 2000 fish/ ha attained 260.4110.50 g. They showed negative allometric growth (W=0.007 TL2.951) indicating shortage of food materials in extensive farming system. Feeding intensity in terms of stomach fullness increased with increasing fish weight. Feeding ecology study indicated tade mullet as herbivorous fish grazing on phytoplankton and organic matter from the bottom sediment. Although tade mullet fed on Bacillariophyceae, Myxophyceae and Chlorophyceae according to the order of dominance, they actively selected Chlorophyceae followed by Myxophyceae and Bacillariophyceae according to order of preference indicating their ability to select preferred food items.

Pages: 436-443  |  735 Views  23 Downloads

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How to cite this article:
Asish Mondal, Subhra Bikash Bhattacharyya, Susmita Mandal, Sanghamitra Purkait, Deepta Chakravartty and Abhijit Mitra . Growth performances, feeding ecology and prey preferences of tade mullet, Liza tade (Forsskål, 1775) in extensive brackishwater farming system. International Journal of Fisheries and Aquatic Studies. 2016; 4(3): 436-443.
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