| Rif. principale. | Scott, W.B. and E.J. Crossman, 1973 |
|---|---|
| Osservazioni | Occurs in lakes, deep flowing pools of creeks, and rivers (Ref. 5723). Usually found over sand (Ref. 5723). Moves into the shallows of lakes at night to feed and moves back to deeper water as dawn approaches (Ref. 1998). Feeds on insect larvae, amphipods and fishes (Ref. 1998). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrato | Soft Bottom: sand; |
|---|---|
| Substrato Rif. | Page, L.M. and B.M. Burr, 1991 |
| Habitat speciali | |
| Habitat speciali Rif. |
| Fonte Biblio. | |
|---|---|
| Associazioni | |
| Associato a | |
| Osservazioni dell'associazione | |
| Parassitismo |
| Tipo di alimentazione | mainly animals (troph. 2.8 and up) |
|---|---|
| Tipo di alimentazione Rif. | Scott, W.B. and E.J. Crossman, 1973 |
| Abitudini alimentari | hunting macrofauna (predator) |
| Abitudini alimentari Rif. | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
| Estimation method | Campione originale | Popolazione non pescata | Commento | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Dalla composizione della dieta | |||||
| Da singoli alimenti | 3.38 | 0.51 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Fonte Biblio. | |||||