Kokurewicz, B. (1969) The influence of temperature on the embryonic development of the perches: Perca fluviatilis L. and Lucioperca lucioperca (L.). Zoologica Poloniae, pp. 47-67
| Species | Development state | Trait | Primary Data | Secondary Data |
| Perca fluviatilis | Egg | Degree-days for incubation | Mass hatching at 179.7 [6.3°C], 218 [7°C], 158 [11.3°C], 141 [17.2°C], 114 [19.6°C] for the year 1963 | 179.7 °C * day |
| Perca fluviatilis | Larvae | Initial larval size | 5-6.2 | 5.6 mm |
| Sander lucioperca | Egg | Temperature for incubation | Possible between 6.3-21.0 | 13.65 °C |
| Sander lucioperca | Egg | Degree-days for incubation | Mass hatching at 137.5 [6.3°C], 213 [8.2°C], 193 [12.6°C], 149.8 [16.2°C], 70.1 [21°C] | 137.5 °C * day |
| Sander lucioperca | Egg | Degree-days for incubation | About 200 [8-12°C] | 10.0 °C * day |
| Sander lucioperca | Larvae | Initial larval size | 4.2-5.2 | 4.7 mm |