| Main Ref. | Chace, F.A. Jr., 1988 | 
|---|---|
| Remarks | Found from shallow subtidal to a depth of 50 m (Ref. 69553) on blue mud bottoms (Ref. 81840). Also on hard bottom (Ref. 106854). | 
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies | 
 | 
 | 
 | 
 | 
| Substrate | Benthic: mobile; Soft Bottom: sand ( coarse, ); mud; Hard Bottom; | 
|---|---|
| Substrate Ref. | Chace, F.A. Jr., 1988 | 
| Special habitats | Other habitats: other invertebrates (Refer to associations.); | 
| Special habitats Ref. | 
| Ref. | Chace, F.A. Jr., 1988 | 
|---|---|
| Associations | symbiosis; | 
| Associated with | Crinoids (Ref. 69553), particularly Comanthina schlegeli (Ref. 102275). | 
| 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. | |||||