| Main Ref. | Johnson, J.H. and D.S. Dropkin, 1993 |
|---|---|
| Anmärkningar | 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. |
| Ref. | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Typ av föda | plants/detritus+animals (troph. 2.2-2.79) |
|---|---|
| Feeding type Ref. | Johnson, J.H. and D.S. Dropkin, 1993 |
| Födosöksstrategi | variable |
| Feeding habit Ref. |
| Estimation method | Ursprungligt prov | Ofiskad population | Kommentar | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Från födosammansättning | 2.11 | 0.09 | 2.66 | 0.21 | Troph of adults from 2 studies. |
| Från individuella födoämnen | 2.74 | 0.26 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Johnson, J.H. and D.S. Dropkin, 1993 | ||||