Ref. principal | De la Cruz Agüero, J., M. Arellano Martínez, V.M. Cota Gómez and G. de la Cruz-Agüero, 1997 |
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Notas | 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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Substrato | |
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Substrate Ref. | |
Habitats especiais | |
Special habitats Ref. |
Ref. | |
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Associações | |
Associada com | |
Comentários sobre associação | |
Parasitismo |
Tipo de alimentação | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | |
Hábito alimentar | hunting macrofauna (predator) |
Feeding habit Ref. |
Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
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Troph | s.e. | Troph | s.e. | ||
Da composição da dieta | |||||
Dos itens alimentares individuais | 3.97 | 0.65 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |