Kratt, L.F. and R.J.F., Smith. (1980) An analysis of the spawning behaviour of the Arctic grayling Thymallus arcticus (Pallas) with observation of mating success. J. Fish. Biol., pp. 661-666
Species | Development state | Trait | Primary Data | Secondary Data |
Thymallus arcticus | Spawning conditions | Spawning season | Between 19 May and 10 June 1975, and between 15 May and 8 June 1976 | ['May', 'June'] |
Thymallus arcticus | Spawning conditions | Spawning period duration | The spawing period lasted 22 days in 1975 and 24 days in 1976. Male held territories for up to 7 days during the breeding season and one male was observed attempting to spawn on 54 occassions. | 22.0 weeks |
Thymallus arcticus | Spawning conditions | Spawning site preparation | During the spawning period, male grayling defended rectangular-shaped territories approximatively 2.5 to 3 m wide and 3.5 to 4.5 m long [Female did not hold territories on the spawning ground] | No category |