Wallace, R.A. and Selman, K., 1979. Physiological aspects of oogenesis in two species of sticklebacks, Gasterosteus aculeatus L. and Apeltes quadracus (Mitchill). Journal of Fish Biology, 14(6), pp.551-564.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Gasterosteus aculeatus | Egg | Egg size after water-hardening | 1.31 | 1.31 mm |