Halacka, K. and Lusk, S. (1995) Mortaliry in eggs of nase, Chondrostoma nasus, during incubation. Folia Zool., pp. 51-56
| Species | Development state | Trait | Primary Data | Secondary Data |
| Chondrostoma nasus | Egg | Egg size after water-hardening | The mean size of the fertilized eggs was 2.70-2.91 mm | 2.81 mm |
| Chondrostoma nasus | Egg | Egg adhesiveness | The water was decanted and various media were applied to remove the adhesiveness of the eggs | Adhesive |
| Chondrostoma nasus | Egg | Incubation time | At a mean temperature of 12°C, egg incubation lasted 11 days, and only 6 days at 14.7°C | 12.0 days |
| Chondrostoma nasus | Egg | Temperature for incubation | Incubated at 12 and 14.7°C. Water temperature dropping below 8°C resulted in a marked increase in looses | 12.0 °C |
| Chondrostoma nasus | Egg | Degree-days for incubation | 135 DD [At 12°C] and 88 [At 14.7°C] | 135.0 °C * day |