Brown, J.H., Hammer, U.T. and Koshinsky, G.D., 1970. Breeding biology of the lake chub, Couesius plumbeus, at Lac la Ronge, Saskatchewan. Journal of the Fisheries Board of Canada, 27(6), pp.1005-1015.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Couesius plumbeus | Egg | Egg size after water-hardening | 2.30 | 2.3 mm |
| Couesius plumbeus | Egg | Degree-days for incubation | 8-19; 10 | 135.0 °C * day |
| Couesius plumbeus | Egg | Egg adhesiveness | Non-adhesive | Non-Adhesive |