| المرجع الرئيسي | Liu, J., 1990 |
|---|---|
| ملاحظات | Mostly found in rivers, lakes, and reserviors. Hide in swamps and caves during the day time and feeding during the night. Stays in deep waters and muddy places during winter (Ref. 40516). Feeds on all types of fish (Ref. 41072). Recorded as having been or being farmed in rice fields (Ref. 119549). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. | Halwart, M. and M.V. Gupta, 2004 |
| مرجع | |
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| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| نوع التغذية | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Dulmaa, A., 1999 |
| العادات الغذائية | hunting macrofauna (predator) |
| Feeding habit Ref. |
| Estimation method | العينة الأصلية | مجتمعات لم يتم صيدها | ملاحظة | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| من التركيبة الغذائية | 4.43 | 0.32 | Troph of juv./adults from 3 studies. | ||
| من العناصر الغذائية المفردة | 4.50 | 0.80 | Tentative trophic level derived from 1 + troph of a single food item | ||
| مرجع | |||||