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| Species | Development state | Trait | Primary Data | Secondary Data |
| Coregonus albula | Female | Age at sexual maturity | Age 1+ females form the major part of the spawning stock | 1.0 year |
| Coregonus albula | Female | Absolute fecundity | Numerical fecundity adjusted for female size vary between years from 7731 to 12986 | 7731.0 thousand eggs |
| Coregonus albula | Female | Intensifying oogenesis activity | As in Poland, the main period for ovary formation of vendace in lake Pyhäjârvi is late summer and early autumn | ['July', 'August', 'September', 'October', 'November', 'December'] |
| Coregonus albula | Female | Maximum GSI value | Gonadosomatic index for 1+ vendace females vary between years from 19 to 29% | 1.0 percent |