Main Ref. | Johnson, J.H. and D.S. Dropkin, 1995 |
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Remarks | Rocky and sandy pools of creeks and small to medium rivers; rocky and vegetated lake margins. |
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 |
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. | Johnson, J.H. and D.S. Dropkin, 1995 |
Feeding habit | hunting macrofauna (predator) |
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 | 3.24 | 3.12 | 0.42 | Troph of adults from 1 study. | |
From individual food items | 3.41 | 0.49 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Johnson, J.H. and D.S. Dropkin, 1995 |