| Main Ref. | Pacific Northwest Shell Club, 2014 | 
|---|---|
| Remarks | Found along the intertidal zone, anchored by byssus on the underside of mud shrimps and "sea mouse" polychaetes (Ref. 95344). Also in Ref. 94854. | 
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies | 
 | 
 | 
 | 
 | 
| Substrate | Benthic: sessile; | 
|---|---|
| Substrate Ref. | Harbo, R.M., 1997 | 
| Special habitats | Other habitats: other invertebrates (Attaches to mud shrimps and "sea mouse" polychaetes (Ref. 95344).); | 
| Special habitats Ref. | Harbo, R.M., 1997 | 
| Ref. | Harbo, R.M., 1997 | 
|---|---|
| Associations | commensalism; | 
| Associated with | Upogebia pugettensis; Aphrodite; | 
| Association remarks | Attached by byssus to underside of mud shrimps and "sea mouse" polychaetes (Ref. 95344). | 
| Parasitism | 
| Feeding type | |
|---|---|
| Feeding type Ref. | |
| Feeding habit | |
| Feeding habit Ref. | 
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | |||||
| From individual food items | |||||
| Ref. | |||||