| Main Ref. | Lambert, P., 2000 | ||
| Predator stage | adults | ||
| Food I | zoobenthos | ||
| Food II | echinoderms | ||
| Food III | sea urchins | ||
| Food group | Echinoidea | Prey Stage/Part | juv./adults |
| Food name | Unspecified sea urchin | ||
| Commonness | |||
| Country | Canada | ||
| Remark | Southern Alaska to British Columbia and Puget Sound. | ||