Main Ref. | Vari, R.P. and F.C.T. Lima, 2003 |
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Remarks | Occurs along the edge of a large pool immediately below a small fall preceded upstream by a long series of rapids and in a clear water stream with sandy bottom (Ref. 52414). Observed swimming close to the substrate in small schools of four to six fish (Ref. 52414). Feeds on benthic aquatic insect larvae (Ref. 52414). |
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 | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Vari, R.P. and F.C.T. Lima, 2003 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Vari, R.P. and F.C.T. Lima, 2003 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.20 | 0.40 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |