| Thông tin chủ yếu | Olund, L.J. and F.B. Cross, 1961 |
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| Các chú thích | Inhabits sandy runs of small to large turbid rivers. Feeds mainly on terrestrial and aquatic insects, occasionally on small fishes (Ref. 1998, 10294, 12080). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | Soft Bottom: sand; Hard Bottom: rocky; |
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| Substrate Ref. | Scott, W.B. and E.J. Crossman, 1973 |
| Special habitats | |
| Special habitats Ref. |
| Tài liệu tham khảo | |
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| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Dạng thức ăn | mainly animals (troph. 2.8 and up) |
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| Feeding type Ref. | Olund, L.J. and F.B. Cross, 1961 |
| Nơi ăn mồi | hunting macrofauna (predator) |
| Feeding habit Ref. | Olund, L.J. and F.B. Cross, 1961 |
| Estimation method | Mẫu nguyên thủy (gốc) | Chủng quần không được khai thác | Chú thích | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Từ thành phần dinh dưỡng | 4.17 | 0.35 | 3.29 | 0.29 | Troph of juv./adults from 1 study. |
| Từ các loại thức ăn | 3.55 | 0.53 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Tài liệu tham khảo | Little, A.S., W.M. Tonn, R.F. Tallman and J.D. Reist, 1998 | ||||