| প্রধান সুত্র | Scott, W.B. and E.J. Crossman, 1973 |
|---|---|
| মন্তব্য সমূহ | Forms schools in lakes and slow-flowing areas of small and medium rivers. Most common around vegetation. Can withstand brackish waters for a limited period (Ref. 1998). Newly hatched individuals school near the shore, moving into deeper water in the summer (Ref. 4569). Feeds mainly on aquatic insects and its larvae and some terrestrial insects (Ref. 10288); but also on planktonic crustaceans, mollusks, and small fishes (Ref. 1998). Preyed upon by fish-eating birds and mammals (Ref. 1998). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrate | |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| সূত্র | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| খাওয়ানোর ধরণ | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Scott, W.B. and E.J. Crossman, 1973 |
| খাদ্যাভ্যাস | variable |
| Feeding habit Ref. |
| Estimation method | মূল নমুনা | অমাৎস্য প্রজন | মন্তব্য | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| খাদ্যউপাদান হইতে | |||||
| পৃথক খাদ্য সামগ্রী হইতে | 3.54 | 0.49 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| সূত্র | |||||