Main Ref. | Pethiyagoda, R., 1991 |
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Remarks | Carnivorous, nocturnal or crepuscular. Often spends its time in small shoals, in the cover of marginal roots or floating vegetation (Ref. 6028). Tolerant of freshwater when water temperature is within 7-32°C; tends to be more tolerant of lower temperatures in water of low salinity (2ppt) than in seawater. Feeds at night on crustaceans, fish fry and larvae and insects (Ref. 7248). |
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 | vegetation |
Special habitats Ref. | Pethiyagoda, R., 1991 |
Ref. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Skelton, P.H., 1993 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Skelton, P.H., 1993 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | |||||
Ref. |