Main Ref. | Pethiyagoda, R., 1991 |
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Remarks | Occurs in rivers, streams, lakes and beels. Tolerant of salinity. Forms schools in groups of four or five to several dozens. Feeds on aquatic insects, fish, algae and shrimps. Spawns in running waters among submerged boulders and vegetation. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | plants/detritus+animals (troph. 2.2-2.79) |
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Feeding type Ref. | Pethiyagoda, R., 1991 |
Feeding habit | variable |
Feeding habit Ref. | Pethiyagoda, R., 1991 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 2.88 | 0.16 | 2.95 | 0.39 | Troph of juv./adults from 2 studies. |
From individual food items | 2.72 | 0.36 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Weliange, W.S. and U.S. Amarasinghe, 2007 |