Holden, P.B. and Wick, E.J., 1982. Life history and prospects for recovery of Colorado squawfish. Fishes of the upper Colorado River system: Present and future, Bethesda, MD: Western Division, American Fisheries Society, pp.98-108.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Ptychocheilus lucius | Egg | Degree-days for incubation | 20; 4 | 80.0 °C * day |