| Reference no. | Compagno, L.J.V., 1984 |
| Ecosystem | North Sea |
| Status | native |
| Abundance | fairly common (chances are about 50%) |
| Lifestage | adults |
| Regional database | |
| Remarks | North Sea (mainly concentrated in the western part, Ref. 88832) and Skagerrak (Ref. 52268). Threats in Skagerrak and Kattegat: target and bycatch fisheries (Ref. 83294). HELCOM's status of threat based on IUCN classification: endangered (Ref. 83294). |