Main Ref. | De la Cruz Agüero, J., M. Arellano Martínez, V.M. Cota Gómez and G. de la Cruz-Agüero, 1997 |
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Remarks | Inhabits bays and estuaries (Ref. 37955). Reaches an altitude of at least 250 m elevation and a distance of some 20 km from the coast. Occurs in coastal waters, but is more abundant in estuaries of any size. Enters freshwaters mostly in large rivers and feeds on fish and crustaceans (Ref. 36880). |
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. | |
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 | 3.97 | 0.65 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |