| Fishbase |
| Country | Locality | Absolute Fecundity | Relative Fecundity | Fecundity/length relationship | ||||
| min | max | Min | Mean | Max | a | b | ||
| North Sea, 1964-65 | 0 | 41,700 | ||||||
| UK | East Anglia, 1933 | 12,570 | 34,450 | 0.2954 | 3.465 | |||
| UK | Northern North Sea-Scottish, 1957, summer-autumn spawners | 0 | 0 | 0.198 | 3.8417 | |||
| UK | Southern Bight, 1957, summer-autumn spawners | 0 | 0 | 0.02185 | 4.329 | |||
| UK Scotland | NW North Sea | 0 | 0 | 0.198 | 3.8417 | |||