Main Ref. | Gallivan, G. and J. Danforth, 1999 |
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Remarks | Occurs in the middle to high intertidal zone (Ref. 312); common from the low to mid-intertidal; the largest individuals are found lower on the shore farthest from effect of wave action (Ref. 310). Non-selective herbivores, consuming a wide variety of algae (Ref. 312). Commonly found in mussel beds and associated with brown algae (e.g., the sea palm, Postelsia) |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Benthic; |
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Substrate Ref. | |
Special habitats | Beds: bivalve; |
Special habitats Ref. | Harbo, R.M., 1997 |
Ref. | Gallivan, G. and J. Danforth, 1999 |
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Associations | commensalism; |
Associated with | Postelsia (Ref. 95344). |
Association remarks | |
Parasitism |
Feeding type | |
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Feeding type Ref. | |
Feeding habit | grazing on aquatic plants |
Feeding habit Ref. |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | |||||
Ref. |