| Main Ref. | Val, A.L. and V.M.F. de Almeida-Val, 1995 |
|---|---|
| Bemerkungen | Common in black and clear water streams and rivers, as well as lagoons and other off-channel habitats associated with whitewater rivers (Ref. 52916). Prefers slow currents and a silty or sandy bottom. Like other species of the genus, it is a formidable predator (Ref. 12225). Piscivore (Ref. 76754); however, it consumes insects during the dry periods of the year (Ref. 27188). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrat | Soft Bottom |
|---|---|
| Substrat Ref. | |
| Besondere Lebensräume | |
| Besondere Lebensräume Ref. |
| Ref. | |
|---|---|
| Verbände | |
| Assoziiert mit | |
| Bemerkungen der Vereinigung | |
| Parasitismus |
| Art der Fütterung | mainly animals (troph. 2.8 and up) |
|---|---|
| Fütterungsart Ref. | Val, A.L. and V.M.F. de Almeida-Val, 1995 |
| Fütterungsgewohnheit | hunting macrofauna (predator) |
| Fütterungsgewohnheiten Ref. | Mérona, B. de and J. Rankin-de-Mérona, 2004 |
| Estimation method | Ursprüngliche Probe | Ungefischte Bevölkerung | Bemerkung | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Von der Zusammensetzung der Ernährung | |||||
| Von einzelnen Lebensmitteln | 4.35 | 0.76 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||