No detailed citation.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Coregonus clupeaformis | Larvae | Temperature during larval development | 10°C | 10.0 °C |
| Hucho hucho | Egg | Egg size after water-hardening | Mature roe is light yellow or light orange and about 5 mm in diameter | 5.0 mm |
| Hucho hucho | Egg | Degree-days for incubation | 232 DD at 10°C | 232.0 °C * day |
| Hucho hucho | Larvae | Initial larval size | 10.1 mm in length just after hatching obtained at a constant temperature of 10°C | 10.1 mm |
| Hucho hucho | Larvae | Full yolk-sac resorption | The larval stage from hatching to the complete resorption of the vitelline sac is about 309°D at 10°C [The feeding to larvae began a few days before the completion of the vitelline sac] | 309.0 °C * day |
| Hucho hucho | Female | Absolute fecundity | Absolute fertility range from 2500-18000, but could even reach 25000 | 10250.0 thousand eggs |
| Hucho hucho | Spawning conditions | Spawning season | The spawning begins in April (the earliest spawning was noted on April 6, at water temperature of 3.6°C) and lasts to mid July (the last spawning was observed on May 13, at water temperature of 9.2°C). The most intense spawning usually occurs by the end of April at water temperature of about 7°C | ['April', 'May', 'July'] |
| Hucho hucho | Spawning conditions | Spawning period duration | The earliest spawning was noted on April 6, to mid July (the last spawning was observed on May 13 (the most intense spawning usually occurs by the end of April) | 6.0 weeks |
| Hucho hucho | Spawning conditions | Spawning temperature | The earliest spawning was noted at water temperature of 3.6°C and last spawning was observed at water temperature of 9.2°C. The most intense spawning usually occurs at water temperature of about 7°C | 3.6 °C |
| Hucho hucho | Spawning conditions | Spawning water type | Rivers and larger streams on the region of the grayling | No category |
| Hucho hucho | Spawning conditions | Spawning depth | 60-100 cm | 80.0 m |
| Hucho hucho | Spawning conditions | Spawning substrate | Gravelly and sandy bottom | Lithophils |
| Hucho hucho | Spawning conditions | Spawning site preparation | The female is aided by the male in making a nest 120-150 cm in width and 3040 cm in depth, in the bottom of the river | No category |