Main Ref. | Guillén, V., 1991 |
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Remarks | Forms schools. Mainly diurnal (Ref. 9100). Has been known to occur in temperatures ranging from 10-22°C and salinity of about 34 ppt (Ref. 9101). |
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. | Guillén, V., 1991 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Guillén, V., 1991 |
Estimation method | Original sample | Unfished population | Bemerkung | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 4.06 | 0.31 | 4.06 | 0.59 | Troph of juv./adults from 4 studies. |
From individual food items | |||||
Ref. | Guillén, V., 1991 |