| Ref. principal | Randall, J.E., 1967 |
|---|---|
| Notas | Found on sand, mud or over rocks in sandy areas, exploring the bottom with the free part of the pectoral fins (Ref. 6544). Feeds primarily on benthic crustaceans, especially crabs, clams and small fishes. Also in Ref. 37413. |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrato | Soft Bottom Hard Bottom; |
|---|---|
| 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. | Randall, J.E., 1967 |
| Hábito alimentar | hunting macrofauna (predator) |
| Feeding habit Ref. | da Silva Monteiro, V.M., 1998 |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | 3.65 | 0.45 | 3.74 | 0.69 | Troph of juv./adults from 1 study. |
| Dos itens alimentares individuais | 3.68 | 0.58 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Randall, J.E., 1967 | ||||