Main Ref. | Miller, R.R., 1950 |
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Remarks | Descends to as low as 400 ft along the Pacific Coastal Plain. Adults occur in swiftly flowing waters. Omnivorous. Adults feed on vegetation and vegetable debris, numerous insect remains (adults, pupae and larvae), a few molluscs and some sand and grit (Ref. 58886). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | plants/detritus+animals (troph. 2.2-2.79) |
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Feeding type Ref. | Miller, R.R., 1950 |
Feeding habit | variable |
Feeding habit Ref. | Miller, R.R., 1950 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 2.80 | 0.32 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |