| Fishbase |
| Country | Locality | Absolute Fecundity | Relative Fecundity | Fecundity/length relationship | ||||
| min | max | Min | Mean | Max | a | b | ||
| Bay of Biscay, 1994-95 | 0 | 0 | 298 | 957 | 1606 | 2.29 | 2.144 | |
| North Sea (northern) and Skagerrak | 2,000,000 | 7,000,000 | ||||||
| France | Bay of Biscay_B | 0 | 0 | 0.25 | 3.03 | |||
| Spain | Bay of Biscay, 1994 | 1,038,960 | 3,756,240 | 298 | 957 | 1606 | 2.29 | 2.144 |
| Spain | Bay of Biscay, Jan-June 2003-2004 | 52,000 | 560,000 | |||||
| Spain | Bay of Biscay_A | 0 | 0 | 0.144 | 3.27 | |||
| UK Scotland | Scotland | 2,000,000 | 7,000,000 | |||||