Ladell, J., J.D. McPhail, and J.S. Baxter. 2007. BC Hydro Dam Impact Footprint Review -Whitefish, WestslopeCutthroat Trout, Cottids, Cyprinids, and Catostomids. Prepared for the Fish and Wildlife CompensationProgram Nelson, BC.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Cottus asper | Egg | Egg size after water-hardening | 1.60-1.80 | 1.7 mm |
| Cottus asper | Egg | Degree-days for incubation | 12ºC; 14 | 12.0 °C * day |
| Cottus asper | Larvae | Initial larval size | 5.0-6.0 | 5.5 mm |
| Cottus asper | Larvae | Larvae behaviour | Pelagic | Pelagic |
| Cottus cognatus | Egg | Egg size after water-hardening | 2.50 | 2.5 mm |
| Cottus cognatus | Larvae | Larvae behaviour | benthic | Demersal |
| Cottus confusus | Egg | Egg size after water-hardening | 3.00-3.50 | 3.25 mm |
| Cottus confusus | Egg | Degree-days for incubation | 10; 28 | 280.0 °C * day |
| Cottus hubbsi | Egg | Egg size after water-hardening | 2.80 | 2.8 mm |
| Cottus rhotheus | Egg | Egg size after water-hardening | 2.80 | 2.8 mm |