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| Species | Development state | Trait | Primary Data | Secondary Data |
| Oncorhynchus mykiss | Male | Onset of spermatogenesis | August, September | ['August', 'September'] |
| Oncorhynchus mykiss | Male | Main spermatogenesis activity | September-October | ['September', 'October'] |
| Oncorhynchus mykiss | Male | Maximum GSI value | Peaked in October 5.4 ± 0.8, then declined in November | 5.4 percent |
| Oncorhynchus mykiss | Male | Spermatogenesis duration | Spermiation began in October and lested until January [Lowest Gsi in June and July] | 5.0 months |