| Κύρια Αναφ. | Cochran, P.A., D.M. Lodge, J.R. Hodgson and P.G. Knapik, 1988 |
|---|---|
| Σχόλια | Inhabits lakes, ponds, bogs, and pools of headwaters and creeks. Usually occurs over silt, often near vegetation. Feeds mainly on algae, but also on zooplankton and aquatic insects (Ref. 1998). Preyed upon by fishes, kingfishers and mergansers (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 | plants/detritus+animals (troph. 2.2-2.79) |
|---|---|
| Feeding type Ref. | Cochran, P.A., D.M. Lodge, J.R. Hodgson and P.G. Knapik, 1988 |
| Τροφική Συνήθεια | variable |
| 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 | 2.51 | 0.11 | 2.46 | 0.14 | Troph of adults from 3 studies. |
| Από ατομικά τροφικά αντικείμενα | 3.05 | 0.34 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Αναφ. | Litvak, M.K. and R.I.C. Hansell, 1990 | ||||