| Main Ref. | Márquez, M.R., 1990 |
|---|---|
| Remarks | Usually inhabits sandy and muddy bottoms that are rich in crustaceans (Ref. 1397). A carnivorous species that mostly feeds on crustaceans, mollusks, fishes, vegetable fragments and so on. |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | : demersal; Soft Bottom: sand; mud; |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Ref. | Márquez, M.R., 1990 |
|---|---|
| Associations | parasitism; |
| Associated with | |
| Association remarks | |
| Parasitism | inside host (flatworms in the anterior part of the intestine.) |
| Feeding type | plants/detritus+animals (troph. 2.2-2.79) |
|---|---|
| Feeding type Ref. | Márquez, M.R., 1990 |
| Feeding habit | hunting macrofauna (predator) |
| Feeding habit Ref. | Márquez, M.R., 1990 |
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 3.53 | 0.59 | Troph of juv./adults. | ||
| From individual food items | 3.49 | 0.54 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Shaver, D.J., 1991 | ||||