| Main Ref. | Cowles, D., 2005 |
|---|---|
| Remarks | Occurs on the sides or bottoms of large boulders in the open coast (Ref. 315); mid to low tide zones from Alaska to Point Concepcion (Ref. 312). Herbivorous, preferring diatoms and green alga, e.g., sea lettuce Ulva sp. (Ref. 312). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrate | Hard Bottom: rocky; |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Ref. | Cowles, D., 2005 |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Feeding type | mainly plants/detritus (troph. 2-2.19) |
|---|---|
| Feeding type Ref. | Gallivan, G. and J. Danforth, 1999 |
| Feeding habit | grazing on aquatic plants |
| Feeding habit Ref. |
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | |||||
| From individual food items | 2.00 | 0.00 | Trophic level and s.e. inferred from exclusive plant/detritus food items. | ||
| Ref. | |||||