| Ref. principal | Merriner, J.V., 1975 |
|---|---|
| Notas | Occurs usually in shallow coastal waters over sand and sandy mud bottoms. Juveniles are euryhaline. During summer the fish move to their nursery and feeding grounds in river estuaries. Feeds mainly on crustaceans and fishes. |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrato | : demersal; Soft Bottom: sand; mud; |
|---|---|
| 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. | Merriner, J.V., 1975 |
| 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 | 3.77 | 0.22 | 3.69 | 0.38 | Troph of adults from 2 studies. |
| Dos itens alimentares individuais | 4.01 | 0.68 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Hartman, K.J. and S.B. Brandt, 1995 | ||||