| Ref. principal | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
|---|---|
| Notas | Feeds on fish and shrimps (Ref. 189). Trawled down to 40 m, but usually in shallower water and entering river mouths, with one record from about 16 km up the Suriname River and apparently common in brackish water and fresh water in the Orinoco delta at Tucupita; also abundant in the fresh water Pedro Miguel Lock, Panama. |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrato | |
|---|---|
| Substrato Ref. | |
| Special habitats | |
| Habitats especiais Ref. |
| Ref. | |
|---|---|
| Associações | |
| Associado a | |
| Observações da associação | |
| Parasitism |
| Tipo de alimentação | mainly animals (troph. 2.8 and up) |
|---|---|
| Tipo de alimentação Ref. | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
| Hábito alimentar | hunting macrofauna (predator) |
| Hábito alimentar Ref. |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | |||||
| Dos itens alimentares individuais | 4.09 | 0.71 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||