BS: Baltic Sea and Skagerrak | NS: North Sea | CB: English Channnel and Bay of Biscay |
| | |
CS: Cantabrian Sea and NW Iberian Peninsula | MA: Madeiran Archipelago | CI: Canary Islands |
| | |
WM: Western Mediterrranean and Bay of Cadiz | EM: Eastern Mediterranean | EE: Extra-European |
| | |