| Main Ref. | Fonseca, N.C., 1970 | 
|---|---|
| Remarks | Found on sand, shell, kelp, sandy mud with algae, mud and shell, sand gravel mud, corallines and crushed shell (Ref. 121249). | 
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies | 
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 | 
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| Substrate | Benthic; Soft Bottom: sand; mud; Hard Bottom: rubble; | 
|---|---|
| Substrate Ref. | Hiller, 2004 | 
| Special habitats | |
| Special habitats Ref. | 
| Ref. | Hiller, 2004 | 
|---|---|
| Associations | commensalism; | 
| Associated with | Commensal with hermit crabs Pterochirus californiensis, Dardanus sinistripes and Pagurus albus (Ref. 121249). | 
| Association remarks | |
| 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. | |||||