| Main Ref. | Etnier, D.A. and W.C. Starnes, 1993 |
|---|---|
| Anmärkningar | Inhabit large, deep, turbid river channels, usually in strong current over firm sand or gravel (Ref. 10294, 58490). Feed on aquatic insect immatures, particularly caddisfly larvae, and small fish (Ref. 10294). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | : sand;: rocky; |
|---|---|
| Substrate Ref. | Stone, R., 2007 |
| Special habitats | |
| Special habitats Ref. |
| Ref. | |
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| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Typ av föda | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Etnier, D.A. and W.C. Starnes, 1993 |
| Födosöksstrategi | hunting macrofauna (predator) |
| Feeding habit Ref. | Etnier, D.A. and W.C. Starnes, 1993 |
| Estimation method | Ursprungligt prov | Ofiskad population | Kommentar | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Från födosammansättning | |||||
| Från individuella födoämnen | 3.88 | 0.63 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||