Main Ref. | Pethiyagoda, R., 1991 |
---|---|
Remarks | Found in quiet, shallow (0.5-1.5 m), often muddy water, in sandy streams, rivers and tanks (Ref. 6028). Also occurs in canals, beels and inundated fields (Ref. 1479). Feeds on vegetable matter and fish (Ref. 6028). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | |
---|---|
Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | |
---|---|
Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | |
---|---|
Feeding type Ref. | |
Feeding habit | |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.93 | 0.39 | Troph of juv./adults from 2 studies. | ||
From individual food items | 3.89 | 0.62 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Weliange, W.S. and U.S. Amarasinghe, 2007 |