| Κύρια Αναφ. | Scott, W.B. and E.J. Crossman, 1973 |
|---|---|
| Σχόλια | Occurs in pools and runs of medium to large rivers. Also found in lakes. Pelagic up to 1.8 cm in length (Ref. 1998). Young feed on planktonic cladocerans, copepods, ostracods, and mites; chironomid, trichopteran and ephemeropteran larvae; and bottom ooze (Ref. 1998). Adults feed on algae, diatoms, insects, amphipods, and mollusks (Ref. 1998). May feed on salmonid eggs (Ref. 1998). Preyed upon by mergansers, osprey, eagles, and bears (Ref. 1998). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Αναφ. | |
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| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Τροφικός Τύπος | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Scott, W.B. and E.J. Crossman, 1973 |
| Τροφική Συνήθεια | hunting macrofauna (predator) |
| Feeding habit Ref. | Scott, W.B. and E.J. Crossman, 1973 |
| Estimation method | Αρχικό δείγμα | Μη αλιευμένος πληθυσμός | Σχόλιο | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Από σύσταση δίαιτας | |||||
| Από ατομικά τροφικά αντικείμενα | 3.13 | 0.41 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Αναφ. | |||||