| SeaLifeBase |
| Country | Locality | Absolute Fecundity | Relative Fecundity | Fecundity/length relationship | |||||
| Min | Max | Mean | Min | Max | Mean | a | b | ||
| UK | Firth of Forth/1992-1993 | 456 | 3,175 | 0 | |||||
| UK | Hinkley Point, England | 0 | 0 | 0 | 1616.27 | 2.69 | |||
| UK | Hinkley Point, England | 0 | 0 | 0 | 1985.87 | 2.2 | |||