Main Ref. | Greger, P.D. and J.E. Deacon, 1987 |
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Remarks | Is an omnivore which is capable of specializing on particular foods that become seasonally abundant (Ref. 42173). Occurs in faster-water habitats (riffles) and less commonly in deeper pools (Ref. 26186). |
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. | Greger, P.D. and J.E. Deacon, 1987 |
Feeding habit | variable |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.10 | 0.10 | Troph of juv./adults from 7 studies. | ||
From individual food items | |||||
Ref. | Greger, P.D. and J.E. Deacon, 1987 |