Main Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
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Remarks | Found on exposed rocky shores. Feeds on crabs, shrimps, mollusks, and fish; sometimes freshwater prawns (Ref. 1394). Sometimes enters estuaries and rarely freshwater habitats, where it is marginally sympatric with Lutra canadensis provocax (Ref. 1522). |
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. | |
Special habitats | |
Special habitats Ref. |
Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
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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. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 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 | 3.87 | 0.72 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |