Main Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
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Remarks | Found in coastal areas, but may be found in some estuaries and sporadically enter the la Plata river. Feeds mostly near the bottom on several species of fish, cephalopods, and crustaceans. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 4.52 | 0.52 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |