主な参照 | Scott, W.B. and E.J. Crossman, 1973 |
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意見 | Inhabits runs and flowing to standing pools of headwaters, creeks, and small to medium rivers; also lakes and ponds. Usually found over mud or sand, often near vegetation (Ref. 5723, 86798). Occurs in schools (Ref. 1998). Fry feed on diatoms, copepods, ostracods, and other small planktonic and demersal crustaceans (Ref. 1998). Diet changes to terrestrial and aquatic insects, algae, mollusks, fish eggs (including their own), and small fishes like other redside shiners, other minnows, and trout (Ref. 1998). Preyed upon by mergansers, loons, and mink (Ref. 1998). Adults feed on zooplankton, insects, and plants (Ref. 1998). |
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. |
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Associations | |
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Association remarks | |
Parasitism |
供給様式 | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Scott, W.B. and E.J. Crossman, 1973 |
食性 | hunting macrofauna (predator) |
Feeding habit Ref. | Scott, W.B. and E.J. Crossman, 1973 |
Estimation method | 原本のサンプル | Unfished population | 意見 | ||
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Troph | s.e. | Troph | s.e. | ||
餌料組成から | |||||
個々の食物品目から | 3.41 | 0.49 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
参照 |