| প্রধান সুত্র | Allen, G.R., S.H. Midgley and M. Allen, 2002 |
|---|---|
| মন্তব্য সমূহ | Occurs in cool, clear streams with rocky bottoms in mountain terrain (Ref. 33616); with fast to moderate flow (Ref. 44894). Often abundant at altitudes of 200-700 m (Ref. 33616). Benthic, nocturnally active species which usually occurs solitary. Juveniles often found in large groups among leaf litter and wood debris. Movements are restricted to a relatively small stretch of river over the duration of the life span. Occurs with G. marmoratus at lower elevations, but they have different habitat preferences. Feeds on insect larvae, fishes, fish eggs, earthworms and crustaceans. |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | Benthic; Hard Bottom: rocky; |
|---|---|
| Substrate Ref. | Allen, G.R., S.H. Midgley and M. Allen, 2002 |
| Special habitats | |
| Special habitats Ref. |
| সূত্র | |
|---|---|
| Associations | solitary; schooling; |
| Associated with | |
| Association remarks | |
| Parasitism |
| খাওয়ানোর ধরণ | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Allen, G.R., S.H. Midgley and M. Allen, 2002 |
| খাদ্যাভ্যাস | hunting macrofauna (predator) |
| Feeding habit Ref. |
| Estimation method | মূল নমুনা | অমাৎস্য প্রজন | মন্তব্য | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| খাদ্যউপাদান হইতে | |||||
| পৃথক খাদ্য সামগ্রী হইতে | 3.60 | 0.50 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| সূত্র | |||||