| Reference no. | Compagno, L.J.V., 1984 |
| Ecosystem | North Sea |
| Status | native |
| Abundance | occasional (usually not seen) |
| Lifestage | adults |
| Regional database | |
| Remarks | Previously reported to be a summer guest in North Sea/Skagerrak (Ref. 52268, 88171). Considered to be extirpated from the North Sea (Ref. 88919). Threats in Skagerrak/Kattegat: bycatch fisheries, eutrophication, habitat loss (Ref. 83294). Also Ref. 72391. |