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| Species | Development state | Trait | Primary Data | Secondary Data |
| Silurus glanis | Egg | Incubation time | About 2.5 days [at 18-20°C] | 19.0 days |
| Silurus glanis | Egg | Temperature for incubation | 22-25 | 23.5 °C |
| Silurus glanis | Egg | Degree-days for incubation | 50 [Hatch about 2.5 days at 18-20°C] | 19.0 °C * day |