| Reference no. | Muus, B. and P. Dahlström, 1978 |
| Ecosystem | North Sea |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Threatened in Skagerrak and Kattegat due to habitat loss (Ref. 83294). HELCOM's status of threat based on IUCN classification: endangered (Ref. 83294). |