| প্রধান সুত্র | Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990 |
|---|---|
| মন্তব্য সমূহ | Sluggish. Seldom found on smooth, clean sand. Generally keeps far from shore. Forms small aggregations, but mostly solitary. Feeds on fish and invertebrates (Ref. 1371). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrate | Hard Bottom: rocky; |
|---|---|
| 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. | Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990 |
| খাদ্যাভ্যাস | hunting macrofauna (predator) |
| Feeding habit Ref. | Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990 |
| Estimation method | মূল নমুনা | অমাৎস্য প্রজন | মন্তব্য | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| খাদ্যউপাদান হইতে | 3.90 | 0.25 | 3.83 | 0.35 | Troph of adults from 2 studies. |
| পৃথক খাদ্য সামগ্রী হইতে | 4.08 | 0.69 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| সূত্র | Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000 | ||||