Crivelli, A.J. and Britton, R.H., 1987. Life history adaptations of Gasterosteus aculeatus in a Mediterranean wetland. Environmental Biology of Fishes, 18(2), pp.109-125.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Gasterosteus aculeatus | Egg | Egg size after water-hardening | 1.47-1.51 | 1.49 mm |