Main Ref. | Fernandez, L.A., 2000 |
---|---|
Remarks | Collected from a preandean stream of clear water, with shallow, sandy bottom, and with vegetation along margins, at an elevation of about 3,680 m above sea level. Specimens were hiding in the sand. Stomach contents include mainly chironimid larvae (Diptera) and amphipod remains and sand (Ref. 45128), |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | |
---|---|
Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | |
---|---|
Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
---|---|
Feeding type Ref. | |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.24 | 0.46 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |