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| Species | Development state | Trait | Primary Data | Secondary Data |
| Rutilus rutilus | Male | Onset of spermatogenesis | September until November [stops during winter] | ['January', 'February', 'March', 'September', 'October', 'November'] |
| Rutilus rutilus | Male | Main spermatogenesis activity | February | ['February'] |
| Rutilus rutilus | Male | Maximum GSI value | 9 [March] | 9.0 percent |
| Rutilus rutilus | Male | Spermatogenesis duration | 7 months [Duration between the beginning of spermatogonial multiplications and the appartion of spermatozoa] | 7.0 months |
| Rutilus rutilus | Male | Resting period | About 1 [During June-August] | 1.0 months |