Belles-Isles, J.C. and Fitzgerald, G.J., 1993. A fitness advantage of cannibalism in female sticklebacks (Gasterosteus aculeatus L.). Ethology ecology & evolution, 5(2), pp.187-191.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Gasterosteus aculeatus | Egg | Oocyte diameter | 1.64-1.66 | 1.65 mm |