Papst, M.H. and Hopky, G.E. (1984) Development of an Arctic charr Salvelinus alpinus L. brood stock. Aquaculture, pp. 323-331
Species | Development state | Trait | Primary Data | Secondary Data |
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 | Egg | Incubation time | About 85-90 at 6.4 ± 0.1 | 6.4 days |
Salvelinus alpinus | Egg | Temperature for incubation | Incubation temperature was 6.4 ± 0.1°C | 6.4 °C |
Salvelinus alpinus | Larvae | Temperature during larval development | Rearing temperature was 6.4 ± 0.1°C | 6.4 °C |
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 | 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 | 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 | Female | Absolute fecundity | 1769 ± 527 also, 4781 in the wild | 1769.0 thousand eggs |
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 |
Salvelinus alpinus | Spawning conditions | Spawning temperature | Wild spawning takes place at 2°C | 2.0 °C |