| Fishbase |
| Country | Locality | Absolute Fecundity | Relative Fecundity | Fecundity/length relationship | ||||
| min | max | Min | Mean | Max | a | b | ||
| Bay of Biscay (1981-1982) | 70,000 | 1,350,000 | ||||||
| North Sea, 1991 | 0 | 86,100 | ||||||
| Southern North Sea, Skagerrak, Kattegat | 100,000 | 150,000 | ||||||
| to be filled | 10,000 | 150,000 | ||||||
| to be filled | 0 | 350,000 | ||||||
| Ireland | Celtic Sea, 1988 | 0 | 44,700 | |||||
| Ireland | Off the coast | 100,000 | 150,000 | |||||
| UK Engld Wal | Southern | 100,000 | 150,000 | |||||