Saat, T. and Veersalu, A. (1996) The rate of early development in perch Perca fluviatilis L. and ruffe Gymnocephalus cernuus (L.) at different temperatures. Annales Zoologici Fennici, pp. 693-698
| Species | Development state | Trait | Primary Data | Secondary Data |
| Cyprinus carpio | Egg | Temperature for incubation | Optimal 21, range 16-26 | 21.0 °C |
| Esox lucius | Egg | Temperature for incubation | Optimal 9, range 4-14 | 9.0 °C |
| Gymnocephalus cernua | Egg | Temperature for incubation | Optimal 15, range 9-21 | 15.0 °C |
| Gymnocephalus cernua | Spawning conditions | Spawning temperature | 11.6-18 | 14.8 °C |
| Gymnocephalus cernua | Spawning conditions | Spawning release | Intermittent spawner with prolonged spawning season | Fractional |
| Perca fluviatilis | Egg | Temperature for incubation | Optimal 13, range 8-18 [The lower lethal is 6, and the upper 22-24°C] | 13.0 °C |
| Coregonus lavaretus | Egg | Temperature for incubation | Optimal 6, range 4-8 | 6.0 °C |
| Oncorhynchus mykiss | Egg | Temperature for incubation | Optimal 6, range 3-9 | 6.0 °C |
| Salmo salar | Egg | Temperature for incubation | Optimal 5 | 5.0 °C |
| Salmo trutta fario | Egg | Temperature for incubation | Optimal 6.5, range 3-10 | 6.5 °C |