Papst and Hopky, 1984



Citation


Papst, M.H. and Hopky, G.E. (1984) Development of an Arctic charr Salvelinus alpinus L. brood stock. Aquaculture, pp. 323-331

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Salvelinus alpinus Spawning conditions Spawning temperature Wild spawning takes place at 2°C 2.0 °C
Salvelinus alpinus Egg Incubation time About 85-90 at 6.4 ± 0.1 6.4 days
Salvelinus alpinus Female Relative fecundity 105.6 ± 14.8 eggs per 100 g in their study, also described 140 eggs per 100 g 105.6 thousand eggs/kg
Salvelinus alpinus Egg Temperature for incubation Incubation temperature was 6.4 ± 0.1°C 6.4 °C
Salvelinus alpinus Egg Egg size after water-hardening Mean egg diameter 4.9 ± 0.2, also descibed as 5.1 [Water hardened eggs] 4.9 mm
Salvelinus alpinus Female Absolute fecundity 1769 ± 527 also, 4781 in the wild 1769.0 thousand eggs
Salvelinus alpinus Larvae Temperature during larval development Rearing temperature was 6.4 ± 0.1°C 6.4 °C
Salvelinus alpinus Female Length at sexual maturity The mean fork length of the 14 females spawned were 490. 7 ± 18.9 mm (range from 450 to 528 mm), much smaller than in wild conditions 624-697 mm 7.0 cm
Salvelinus alpinus Larvae Onset of exogeneous feeding About 120 [minus 85-90 for incubation] at 6.4 ± 0.1 6.4 °C * day
Salvelinus alpinus Male Length at sexual maturity The mean fork length of the 14 males spawned were 492. 7 ± 18.9 mm (range from 404 to 551 mm), much smaller than in wild conditions 720-774 mm 7.0 cm