| Fishbase |
| Country | Locality | Absolute Fecundity | Relative Fecundity | Fecundity/length relationship | ||||
| min | max | Min | Mean | Max | a | b | ||
| Northern Europe | 30,000 | 0 | ||||||
| Finland | Finland | 2,000 | 4,000 | |||||
| Finland | Lake Kallavesi | 4,200 | 23,000 | 130 | 305 | |||
| Finland | Lake Keitele | 6,300 | 25,300 | 80 | 280 | |||
| Finland | Lake Pyhäjarvi | 4,360 | 19,140 | 123 | 193 | |||
| Germany | Schlewsig-Holstein | 1,700 | 4,800 | |||||