Pinillos, M.L. and Delgado, M.J. and Scott, A.P. (2003) Seasonal changes in plasma gonadal steroid concentrations and gonadal morphology of male and female tench (Tinca tinca , L.). Aquaculture Research [Aquacult. Res.], pp. 1181-1189
| Species | Development state | Trait | Primary Data | Secondary Data |
| Tinca tinca | Female | Maximum GSI value | 7.95 ± 1.12 [July during spawning season] | 7.95 percent |
| Tinca tinca | Female | Resting period | 2.25 ± 0.1 (November) | 2.25 months |
| Tinca tinca | Male | Maximum GSI value | 0.66 (July) | 0.66 percent |
| Tinca tinca | Male | Resting period | 0.21 (November) | 2.0 months |
| Tinca tinca | Spawning conditions | Spawning release | Multispawning, 3 spawnings under natural conditions, intervals of 15-22 days | No category |