| Κύρια Αναφ. | Scott, W.B. and E.J. Crossman, 1973 |
|---|---|
| Σχόλια | Forms schools in lakes and slow-flowing areas of small and medium rivers. Most common around vegetation. Can withstand brackish waters for a limited period (Ref. 1998). Newly hatched individuals school near the shore, moving into deeper water in the summer (Ref. 4569). Feeds mainly on aquatic insects and its larvae and some terrestrial insects (Ref. 10288); but also on planktonic crustaceans, mollusks, and small fishes (Ref. 1998). Preyed upon by fish-eating birds and mammals (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 | variable |
| Feeding habit Ref. |
| Estimation method | Αρχικό δείγμα | Μη αλιευμένος πληθυσμός | Σχόλιο | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Από σύσταση δίαιτας | |||||
| Από ατομικά τροφικά αντικείμενα | 3.54 | 0.49 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Αναφ. | |||||