Referencia principal | Randall, J.E., 1967 |
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Observaciones | A pelagic (Ref. 26340) schooling species usually found in offshore reefs (Ref. 9710). Juveniles are encountered along shores of sandy beaches, also over muddy bottoms (Ref. 9626). May penetrate into brackish water and ascend rivers. Often approach divers (Ref. 9710). Roving predator which patrol while swimming near the surface or at mid-water, lunging mainly at small fishes. Feed on benthic, rocky dweller fishes (Ref. 43310), shrimps, and other invertebrates (Ref. 3277). Seems to forage mainly at twilight (Ref. 40396). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | : rocky; |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Referencia | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Tipo De Alimentación | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Randall, J.E., 1967 |
Hábito De Alimentación | hunting macrofauna (predator) |
Feeding habit Ref. | Randall, J.E., 1967 |
Estimation method | Muestra original | Población no pescada | Observación | ||
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Troph | s.e. | Troph | s.e. | ||
De la composición de la dieta | 4.16 | 0.39 | 4.30 | 0.75 | Troph of juv./adults from 3 studies. |
De tipos individuales de alimento | 3.88 | 0.62 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Referencia | Randall, J.E., 1967 |