| SeaLifeBase |
| Country | Locality | Absolute Fecundity | Relative Fecundity | Fecundity/length relationship | |||||
| Min | Max | Mean | Min | Max | Mean | a | b | ||
| Adriatic Sea | 0 | 0 | 0 | 25.7913 | 3.1635 | ||||
| France | Bretagne (Brittany), France | 0 | 0 | 0 | 25.323 | 3.194 | |||
| Ireland | Irish Sea/ Oct 1997-Apr 1998 | 735 | 0 | 0 | 735 | ||||
| Portugal | Portuguese coast, Portugal | 0 | 0 | 0 | 32.8046 | 3.125 | |||
| Portugal | Unspecified | 0 | 0 | 0 | 26.0337 | 3.0557 | |||
| Spain | Catalan coast, Barcelona, Spain | 0 | 0 | 0 | 64.6903 | 2.488 | |||
| Spain | Galicia, Spain | 0 | 0 | 0 | 154.59 | 2.11 | |||
| Spain | Galicia, Spain | 0 | 0 | 0 | 31.4139 | 3.02 | |||