Main Ref. | Scott, W.B. and E.J. Crossman, 1973 |
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Remarks | Inhabits rocky areas of swift creeks and rivers. Also found in lakes. Probably feeds on planktonic crustaceans and aquatic insect larvae (Ref. 1998). Forage fish of Salvelinus namaycush and Lota lota found in inland lakes (Ref. 1998). |
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. | Scott, W.B. and E.J. Crossman, 1973 |
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. | Scott, W.B. and E.J. Crossman, 1973 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Scott, W.B. and E.J. Crossman, 1973 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 2.99 | 0.35 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |