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| Species | Development state | Trait | Primary Data | Secondary Data |
| Silurus glanis | Egg | Temperature for incubation | Tap water at 23°C | 23.0 °C |
| Silurus glanis | Egg | Degree-days for incubation | Approximately 2.5 days after fertlization at 23°C | 2.5 °C * day |