Main Ref. | Kottelat, M., 1997 |
---|---|
Remarks | Inhabits rivers. Also found in brackish water near river estuaries. Smaller fish prey on crustaceans clinging to the river bed. Larger fish feed on shoals of fry and eat small perch, Perca fluviatilis, and ruffe, Gymnocephalus cernuus. |
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. | Vostradovsky, J., 1973 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Vostradovsky, J., 1973 |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 4.13 | 0.66 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |