Main Ref. | Johnson, J.H. and D.S. Dropkin, 1993 |
---|---|
Remarks | Inhabit sandy and rocky pools and runs of small to large rivers. Also found in sandy and rocky shores of lakes and in creeks on Atlantic Slope. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | Soft Bottom: sand; Hard Bottom: rocky; rubble; |
---|---|
Substrate Ref. | Page, L.M. and B.M. Burr, 1991 |
Special habitats | |
Special habitats Ref. |
Acuan | |
---|---|
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, 1993 |
Feeding habit | variable |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | 2.11 | 0.09 | 2.66 | 0.21 | Troph of adults from 2 studies. |
From individual food items | 2.74 | 0.26 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Acuan | Johnson, J.H. and D.S. Dropkin, 1993 |