Main Ref. | Márquez, M.R., 1990 |
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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 | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | : demersal; Soft Bottom: sand; mud; |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | Márquez, M.R., 1990 |
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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) |
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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 | ||
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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 |