Main Ref. | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
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Remarks | Inhabit rocky riffles, runs, and pools of headwaters, creeks and small to large rivers (Ref. 5723, 10294). Subadults and adults feed on detritus, filamentous algae, diatoms and occasionally on small aquatic insects; young on rotifers and microcrustacea (Ref. 10294). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Hard Bottom: rocky; |
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Substrate Ref. | Page, L.M. and B.M. Burr, 1991 |
Special habitats | |
Special habitats Ref. |
Ref. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly plants/detritus (troph. 2-2.19) |
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Feeding type Ref. | Fowler, J.F. and C.A. Taber, 1985 |
Feeding habit | browsing on substrate |
Feeding habit Ref. | Fowler, J.F. and C.A. Taber, 1985 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 2.00 | 0.00 | Troph of juv./adults from 5 studies. | ||
From individual food items | 2.00 | 0.00 | Trophic level and s.e. inferred from exclusive plant/detritus food items. | ||
Ref. | Fowler, J.F. and C.A. Taber, 1985 |