Olsen, E.M. and Vollestad, L.A. (2001) Within-stream variation in early life-history traits in brown trout. Journal of FIsh Biology, pp. 1579-1588
| Species | Development state | Trait | Primary Data | Secondary Data |
| Salmo trutta fario | Egg | Incubation time | Mean number of days to 50% hatching was 50 at 8.3 ±1.1 | 8.3 days |
| Salmo trutta fario | Egg | Incubation time | Mean number of days to 50% hatching was 50.5 and 50.4 for the allopatric and sypatric populations, respectively | 50.0 days |
| Salmo trutta fario | Egg | Temperature for incubation | Incubation temperature was 8.3 ± 1.1°C | 8.3 °C |
| Salmo trutta fario | Egg | Temperature for incubation | The full-sib families (intial number of eggs: 43-283) were incubated at a temperature of 8.3 ± 1.1°C (mean ± S.D.), using four tanks | 8.3 °C |
| Salmo trutta fario | Egg | Degree-days for incubation | About 400 [Mean number of days to 50% hatching was 50 at 8.3 ±1.1] | 8.3 °C * day |
| Salmo trutta fario | Larvae | Initial larval size | 15-17.5 | 16.25 mm |
| Salmo trutta fario | Larvae | Initial larval size | Based on graph, mosty between 15.2 and 17.5 mm | 17.5 mm |