Stewart, D.B., Mochnacz, N.J., Reist, J.D., Carmichael, T.J. and Sawatzky, C.D., 2007b. Fish life history and habitat use in the Northwest Territories: Arctic grayling (Thymallus arcticus). Can. Manuscr. Rep. Fish. Aquat. Sci, 2797, p.64.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Thymallus arcticus | Egg | Egg size after water-hardening | 3.50-4.00 | 3.75 mm |
| Thymallus arcticus | Egg | Egg adhesiveness | Adhesive | Adhesive |
| Thymallus arcticus | Egg | Incubation time | 13-18 days | 15.5 days |
| Thymallus arcticus | Egg | Degree-days for incubation | 15.5; 8 | 124.0 °C * day |
| Thymallus arcticus | Egg | Degree-days for incubation | 9; 16-18 | 153.0 °C * day |
| Thymallus arcticus | Egg | Degree-days for incubation | 7.1; 25-29 | 191.7 °C * day |
| Thymallus arcticus | Egg | Degree-days for incubation | 5.8; 32 | 185.6 °C * day |
| Thymallus arcticus | Larvae | Initial larval size | 7-15 | 11.0 mm |
| Thymallus arcticus | Larvae | Larvae behaviour | (benthic); found over silt or sand substrates within 10-20 mm of bottom | Demersal |
| Thymallus arcticus | Larvae | Sibling intracohort cannibalism | present | Present |
| Thymallus arcticus | Larvae | Onset of exogeneous feeding | 9 days after hatching | 9.0 °C * day |