| Ref. principal | Jiménez Prado, P. and P. Béarez, 2004 |
|---|---|
| Notas | Benthic-pelagic species of coastal waters that may enter rivers (Ref. 55763). Apparently confined to fresh waters, ascending rivers with moderate currents (Ref. 9114). More abundant near the outlets of rivers and creeks, but not in brackish or marine waters. Reaches at least 640 m elevation and inhabits currents of low to moderate velocity. Feed on crustaceans and fish (Ref. 36880). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrato | |
|---|---|
| Substrate Ref. | |
| Habitats especiais | |
| Special habitats Ref. |
| Ref. | |
|---|---|
| Associações | |
| Associada com | |
| Comentários sobre associação | |
| Parasitismo |
| Tipo de alimentação | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Bussing, W.A., 1998 |
| Hábito alimentar | hunting macrofauna (predator) |
| Feeding habit Ref. | Bussing, W.A., 1998 |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | |||||
| Dos itens alimentares individuais | 4.01 | 0.66 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||