Main Ref. | Flemer, D.A. and W.S. Woolcott, 1966 |
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Remarks | Inhabits rocky runs and flowing pools of small to medium rivers. Common in upland areas and clear streams with fast current (Ref. 5723, 10294). Feeds primarily on insects (Ref. 50685), dominated by caddis larvae and mayfly nymphs. Juvenile consumes algae and diatom (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 | plants/detritus+animals (troph. 2.2-2.79) |
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Feeding type Ref. | Jenkins, R.E. and N.M. Burkhead, 1993 |
Feeding habit | variable |
Feeding habit Ref. | Jenkins, R.E. and N.M. Burkhead, 1993 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.08 | 0.44 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |