Main Ref. | Bur, M.T., 1982 |
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Remarks | Occurs in bottoms of medium to large rivers and lakes. Feeds on mollusks, benthic crustaceans, and insects. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Soft Bottom: sand; silt; mud; |
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Substrate Ref. | Missouri Department of Conservation, 2008 |
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. | Bur, M.T., 1982 |
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 | 3.36 | 0.43 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |