Main Ref. | Smith-Vaniz, W.F., 1984 |
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Remarks | Reported not to occur in water colder than 20°C or where the oxygen saturation is below 30%. Feeds on small crustaceans and fish fry. |
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. | Sommer, C., W. Schneider and J.-M. Poutiers, 1996 |
Feeding habit | variable |
Feeding habit Ref. | Sommer, C., W. Schneider and J.-M. Poutiers, 1996 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.75 | 0.50 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |