Britton, J.R., Davies, G.D., Brazier, M. and Pinder, A.C., 2007. A case study on the population ecology of a topmouth gudgeon (Pseudorasbora parva) population in the UK and the implications for native fish communities. Aquatic conservation, 17(7), p.749.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Pseudorasbora parva | Egg | Egg size after water-hardening | 0.65-0.15 | 0.4 mm |