| Reference no. | Compagno, L.J.V., 1984 |
| Ecosystem | North Sea |
| Status | native |
| Abundance | occasional (usually not seen) |
| Lifestage | adults |
| Regional database | |
| Remarks | Rare summer guest in northern North Sea (Ref. 35388). Highly migratory habit leads to seasonal occurrence in the North Sea during spring/summer to forage, getting totally absent in fall/winter. |