Jatteau, P. (1991) Le huchon (Hucho hucho L.) état des connaissances et perspectives. Bull. Fr. Pêche Pisci., pp. 97-108
| Species | Development state | Trait | Primary Data | Secondary Data |
| Hucho hucho | Egg | Egg size after water-hardening | 4.0-5.5 [2 hours after fertilization] | 4.75 mm |
| Hucho hucho | Egg | Incubation time | 31 | 31.0 days |
| Hucho hucho | Egg | Temperature for incubation | 4.8-15.5 [Natural conditions], optimal temperaure 10-12°C | 10.15 °C |
| Hucho hucho | Egg | Degree-days for incubation | 232-266 | 249.0 °C * day |
| Hucho hucho | Larvae | Initial larval size | 13-15 [Fry with yolk-sac] | 14.0 mm |
| Hucho hucho | Larvae | Larvae behaviour | Fry remain on the spawning ground until they reach 40 mm | Demersal |
| Hucho hucho | Larvae | Full yolk-sac resorption | 140-160 | 150.0 °C * day |
| Hucho hucho | Female | Age at sexual maturity | 4-5 [Female] | 4.5 year |
| Hucho hucho | Female | Relative fecundity | 1-1.6 | 1.3 thousand eggs/kg |
| Hucho hucho | Male | Age at sexual maturity | 3-4 [Male] | 3.5 years |
| Hucho hucho | Spawning conditions | Spawning migration distance | Short migrations: from 5 to 10-25 km | 17.5 km |
| Hucho hucho | Spawning conditions | Homing | Homing behavior | Present |
| Hucho hucho | Spawning conditions | Spawning season | March-April | ['March', 'April'] |
| Hucho hucho | Spawning conditions | Spawning temperature | 8-10 | 9.0 °C |
| Hucho hucho | Spawning conditions | Spawning water type | Water with current: 0.6-1 m/s | Flowing or turbulent water |
| Hucho hucho | Spawning conditions | Spawning depth | 0.3-1.2 m | 0.75 m |
| Hucho hucho | Spawning conditions | Spawning substrate | Sand or gravels | Lithophils |
| Hucho hucho | Spawning conditions | Spawning site preparation | Female dig a nest 30-40 cm deep, and 120-150 cm wide | Susbtrate chooser |
| Hucho hucho | Spawning conditions | Mating system | By pair, males and females are very aggressive | Monogamy |
| Hucho hucho | Spawning conditions | Parity | The reproduction is annual | No category |