Gozlan, R. and Chappaz, R. (2001) Le Hotu Chondrostoma nasus (Linné, 1766)., pp. 174-175
| Species | Development state | Trait | Primary Data | Secondary Data |
| Chondrostoma toxostoma | Egg | Oocyte diameter | 1.5-1.7 [South-west of France], 1.8-2.2 [South-east of France] | 1.6 mm |
| Chondrostoma toxostoma | Female | Age at sexual maturity | 3-4 [Sex not specified] | 3.5 year |
| Chondrostoma toxostoma | Female | Length at sexual maturity | 11-12 [South-west of France], 18-20 [South-east of France] | 11.5 cm |
| Chondrostoma toxostoma | Female | Absolute fecundity | 1.5-15 | 8.25 thousand eggs |
| Chondrostoma toxostoma | Male | Age at sexual maturity | 3-4 [Sex not specified] | 3.5 years |
| Chondrostoma toxostoma | Male | Length at sexual maturity | 11-12 [South-west of France], 18-20 [South-east of France] | 11.5 cm |
| Chondrostoma toxostoma | Spawning conditions | Spawning season | End of May, beginning of July [30 or 40 days after Hotu] | ['May', 'July'] |
| Chondrostoma toxostoma | Spawning conditions | Spawning temperature | 11-13 [South-est of France], 15-16 [South-west of France] | 12.0 °C |
| Chondrostoma toxostoma | Spawning conditions | Spawning water type | Small rivers or near the shore of main stream | Stagnant water |
| Chondrostoma toxostoma | Spawning conditions | Spawning substrate | Gravels | Lithophils |