Main Ref. | Johnson, J.H. and D.S. Dropkin, 1995 |
---|---|
Remarks | Occurs almost anywhere in its range but most common in clear rocky streams. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | Soft Bottom: sand; mud; Hard Bottom: rocky; rubble; |
---|---|
Substrate Ref. | Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991 |
Special habitats | |
Special habitats Ref. |
Ref. | |
---|---|
Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | plants/detritus+animals (troph. 2.2-2.79) |
---|---|
Feeding type Ref. | Johnson, J.H. and D.S. Dropkin, 1995 |
Feeding habit | variable |
Feeding habit Ref. | Johnson, J.H. and D.S. Dropkin, 1995 |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | 2.66 | 0.14 | 3.07 | 0.28 | Troph of juv./adults from 3 studies. |
From individual food items | 2.41 | 0.20 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Johnson, J.H. and D.S. Dropkin, 1995 |