| Main Ref. | Fujikura, K., S. Tsuchida and J. Hashimoto, 2000 | 
|---|---|
| Remarks | Host of an ectoparasite Johanssonia arctica. Exhibits cannibalism (Ref. 101157). | 
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies | 
 | 
 | 
 | 
 | 
| Substrate | Benthic: mobile; | 
|---|---|
| Substrate Ref. | Fujikura, K., S. Tsuchida and J. Hashimoto, 2000 | 
| Special habitats | Other habitats: other invertebrates (Refer to associations.); | 
| Special habitats Ref. | 
| Ref. | MarineSpecies.org, 2050 | 
|---|---|
| Associations | parasitism; | 
| Associated with | Johanssonia arctica. | 
| Association remarks | |
| Parasitism | outside host | 
| Feeding type | mainly animals (troph. 2.8 and up) | 
|---|---|
| Feeding type Ref. | Chuchukalo, V.I., V.A. Nadtochy, V.N. Koblikov and O.Y. Borilko, 2011 | 
| Feeding habit | hunting macrofauna (predator) | 
| Feeding habit Ref. | Chuchukalo, V.I., V.A. Nadtochy, V.N. Koblikov and O.Y. Borilko, 2011 | 
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 3.72 | 0.48 | Troph of juv./adults. | ||
| From individual food items | 3.70 | 0.42 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Chuchukalo, V.I., V.A. Nadtochy, V.N. Koblikov and O.Y. Borilko, 2011 | ||||