| Ref. principal | Robins, C.R. and G.C. Ray, 1986 |
|---|---|
| Notas | Occurs chiefly on the continental shelf, mostly on muddy bottoms (Ref. 2683) or sand bottoms of the outer shelf (Ref. 54164). Juveniles occur in surface waters. Feeds mainly on small crustaceans. Adults are demersal or bathypelagic (Ref. 47377). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrato | : demersal; Soft Bottom: sand; mud; |
|---|---|
| Substrato Ref. | Schneider, W., 1990 |
| Special habitats | |
| Habitats especiais Ref. |
| Ref. | |
|---|---|
| Associações | schooling; |
| Associado a | |
| Observações da associação | Forms large schools (Ref. 36543). |
| Parasitism |
| Tipo de alimentação | mainly animals (troph. 2.8 and up) |
|---|---|
| Tipo de alimentação Ref. | Robins, C.R. and G.C. Ray, 1986 |
| Hábito alimentar | hunting macrofauna (predator) |
| Hábito alimentar Ref. | Robins, C.R. and G.C. Ray, 1986 |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | |||||
| Dos itens alimentares individuais | 3.50 | 0.50 | Tentative trophic level derived from 1 + troph of a single food item | ||
| Ref. | |||||