Main Ref. | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
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Remarks | Feeds on fish and shrimps (Ref. 189). Trawled down to 40 m, but usually in shallower water and entering river mouths, with one record from about 16 km up the Suriname River and apparently common in brackish water and fresh water in the Orinoco delta at Tucupita; also abundant in the fresh water Pedro Miguel Lock, Panama. |
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. | |
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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. | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 4.09 | 0.71 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |