| Κύρια Αναφ. | Scott, W.B. and E.J. Crossman, 1973 |
|---|---|
| Σχόλια | Most frequently in streams (Ref. 5723). Nerito-pelagic (Ref. 58426). Lacustrine and estuarine anadromous forms exist (Ref. 593). Feeds on aquatic insect larvae, small mollusks and crustaceans (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. | |
|---|---|
| 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. | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
| Estimation method | Αρχικό δείγμα | Μη αλιευμένος πληθυσμός | Σχόλιο | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Από σύσταση δίαιτας | 3.45 | 0.14 | Troph of juv./adults from 4 studies. | ||
| Από ατομικά τροφικά αντικείμενα | 3.28 | 0.44 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Αναφ. | |||||