Pedersen, B.H. (2004) Fertilisation of eggs, rate of embryonic development and hatching following induced maturation of the European eel Anguilla anguilla. Aquaculture, pp. 461-473
| Species | Development state | Trait | Primary Data | Secondary Data |
| Anguilla anguilla | Egg | Oocyte diameter | 0.829-0.924 [Ovulated egg] | 0.88 mm |
| Anguilla anguilla | Egg | Incubation time | 2 [48 hour] | 2.0 days |
| Anguilla anguilla | Egg | Temperature for incubation | 20-21 | 20.5 °C |
| Anguilla anguilla | Egg | Degree-days for incubation | About 40 | 40.0 °C * day |