Tyler, C.R., Pottinger, T.G., Santos, E., Sumpter, J.P., Price, S.A., Brooks, S. and Nagler, J.J., 1996. Mechanisms controlling egg size and number in the rainbow trout, Oncorhynchus mykiss. Biology of Reproduction, 54(1), pp.8-15.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Oncorhynchus mykiss | Egg | Egg size after water-hardening | 4.5 | 4.5 mm |