Main Ref. | George, E.L. and W.F. Hadley, 1979 |
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Remarks | Inhabits vegetated and brushy stream margins and pools of creeks and small to medium rivers, and rocky and vegetated margins of lakes. Most commonly found in clear, silt-free rocky streams. Feeds on small crustaceans, insects and fish (Ref. 30578). |
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 | vegetation ( driftwood ); |
Special habitats Ref. | Page, L.M. and B.M. Burr, 1991 |
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. | George, E.L. and W.F. Hadley, 1979 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.43 | 0.18 | 3.38 | 0.49 | Troph of juv./adults from 3 studies. |
From individual food items | 3.33 | 0.44 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Keast, A. and L. Walsh, 1968 |