| Hoofdreferentie | Olund, L.J. and F.B. Cross, 1961 |
|---|---|
| Opmerkingen | Inhabits sandy runs of small to large turbid rivers. Feeds mainly on terrestrial and aquatic insects, occasionally on small fishes (Ref. 1998, 10294, 12080). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Ondergrond | Soft Bottom: sand; Hard Bottom: rocky; |
|---|---|
| Substrate Ref. | Scott, W.B. and E.J. Crossman, 1973 |
| Speciale habitats | |
| Special habitats Ref. |
| Ref. | |
|---|---|
| Associaties | |
| Geassocieerd met | |
| Opmerkingen in verband met associaties | |
| Parasitisme |
| Voedingstype | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Olund, L.J. and F.B. Cross, 1961 |
| Voedingsgewoonte | hunting macrofauna (predator) |
| Feeding habit Ref. | Olund, L.J. and F.B. Cross, 1961 |
| Estimation method | Origineel staal | Onbeviste populatie | Opmerking | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Op basis van dieetsamenstelling | 4.17 | 0.35 | 3.29 | 0.29 | Troph of juv./adults from 1 study. |
| Op basis van individuele voedselitems | 3.55 | 0.53 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Little, A.S., W.M. Tonn, R.F. Tallman and J.D. Reist, 1998 | ||||