| Reference no. | Carlton, J.T., 1992 |
| Ecosystem | Cold Temperate Northeast Pacific |
| Status | introduced |
| Abundance | common (usually seen) |
| Lifestage | adults |
| Regional database | |
| Remarks | High intertidal, common, co-occurring with Ovatella myosotis; found by digging down inside piles of old oyster shells in damp, rich organic debris, which is a microhabitat similar to the one in its native range (Japan). Also found at base of salt m |