| Κύρια Αναφ. | Palomares, M.L.D., 1991 |
|---|---|
| Σχόλια | Forms schools. Is mainly diurnal (Ref. 9086). Known to occur at temperatures ranging from 24-29.8 °C, pH range of 5.0-9.0, and an alkalinity range of 42-142 (Ref. 9110). Occupies very diverse biotopes and carries out its biological cycle in freshwater as well as in brackishwater (Ref. 27188). Juveniles feed on larvae of crustaceans (especially Macrobrachium), aquatic insects and copepods. Adults prey on fish. Captured during the rainy season (Ref. 35237). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrate | |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Αναφ. | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Τροφικός Τύπος | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Palomares, M.L.D., 1991 |
| Τροφική Συνήθεια | hunting macrofauna (predator) |
| Feeding habit Ref. | Palomares, M.L.D., 1991 |
| Estimation method | Αρχικό δείγμα | Μη αλιευμένος πληθυσμός | Σχόλιο | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Από σύσταση δίαιτας | 4.35 | 0.50 | Troph of juv./adults from 1 study. | ||
| Από ατομικά τροφικά αντικείμενα | 3.97 | 0.65 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Αναφ. | Williams, J.D., K.O. Winemiller, D.C. Taphorn and L. Balbas, 1998 | ||||