| Main Ref. | Pile, A.J., M.R. Patterson and J.D. Witman, 1996 |
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| Remarks | A boreal species commonly found on rock walls. Feeds on ultraplankton (heterotrophic bacteria, cyanobacteria, picoeukaryotes and nanoeukaryotes) by active suspension feeding. Multioscular; oscula responds negatively to touch by closing (Ref. 96635). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | Benthic: sessile; Hard Bottom: rocky; |
|---|---|
| Substrate Ref. | Pile, A.J., M.R. Patterson and J.D. Witman, 1996 |
| Special habitats | Beds: rock; |
| Special habitats Ref. | Pile, A.J., M.R. Patterson and J.D. Witman, 1996 |
| Ref. | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Feeding type | plants/detritus+animals (troph. 2.2-2.79) |
|---|---|
| Feeding type Ref. | Pile, A.J., M.R. Patterson and J.D. Witman, 1996 |
| Feeding habit | filtering plankton |
| Feeding habit Ref. | Pile, A.J., M.R. Patterson and J.D. Witman, 1996 |
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | |||||
| From individual food items | |||||
| Ref. | |||||