| J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 111 | 111 | 111 | 111 | 111 | 111 | Italy | Adriatic | ||||||
| 111 | 111 | 111 | 111 | 111 | 111 | Italy | Adriatic Sea | ||||||
| 111 | 111 | 111 | 111 | 111 | 111 | France | Bay of Biscay | ||||||
| 111 | 111 | 111 | 111 | Bay of Biscay | |||||||||
| 111 | 111 | 111 | 111 | Spain | Bay of Biscay | ||||||||
| 111 | 111 | 111 | 111 | Spain | Bay of Biscay, 1987 | ||||||||
| 111 | 111 | 111 | Spain | Bay of Biscay, 1989-1992 | |||||||||
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Spain | Bay of Cadiz (1989-1992) | |||
| 111 | 111 | 111 | 111 | Russia | Black Sea, Northwestern coast, 1987 -1992 | ||||||||
| 2 | 2 | 3 | 3 | 3 | 4 | 3 | 2 | 3 | 2 | 3 | Morocco | from Safi to Agadir | |
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Spain | Gulf of Cadíz | ||||
| 111 | 111 | 111 | 111 | 111 | Spain | Gulf of Cádiz | |||||||
| 111 | 111 | 111 | Portugal | Mira estuary, 1985-1992 | |||||||||
| 111 | 111 | 111 | Denmark | North Sea and Channel | |||||||||
| 111 | 111 | 111 | 111 | 111 | Northern Europe and Mediterranean | ||||||||
| 111 | 111 | 111 | 111 | 111 | Portugal | Pranto River, May-September 1990 | |||||||
| 111 | 111 | 111 | southeastern part of North Sea | ||||||||||
| 111 | 111 | 111 | 111 | 111 | 111 | Spain | southern Bay of Biscay, January 1987-December 1989 | ||||||
| 111 | 111 | 111 | 111 | 111 | 111 | Italy | Strait of Sicliy | ||||||
| 111 | 111 | Italy | Trieste, Adriatic Sea,1974-90 | ||||||||||
| 111 | 111 | 111 | 111 | 111 | 111 | Croatia | Zrmanja River estuaury, Jan-Dec 2003 |