Vladykov, 1956


Vladykov, V.D. (1956) Fecundity of wild speckled trout (Salvelinus fontinalis) in Québec lakes. Journal of the fisheries research board of Canada, pp. 799-841

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Salvelinus fontinalis Egg Oocyte diameter The common size of mature eggs, ready to be shed, varies from 4.0 to 4.6 mm 4.6 mm
Salvelinus fontinalis Female Age at sexual maturity Sexual maturity of females usually arrives at the age of 3 or 4 years 3.0 year
Salvelinus fontinalis Female Length at sexual maturity The extreme variation in the size of female trout, which would spawned during the year of collection, ranged from 114-559 mm 336.5 cm
Salvelinus fontinalis Female Absolute fecundity The average number of egg spanwed varied from 90 to 4,800, according to the size of the female 90.0 thousand eggs
Salvelinus fontinalis Female Maximum GSI value Mean of 9.74, range 9.04 to 12.92 [Not specified] 9.74 percent
Salvelinus fontinalis Spawning conditions Spawning season The spawning season on cold lakes (Grand lac Jacques Cartier and des Neiges), starts as early as August 20, while in othr lakes it typically limited to the moth of September, with the greatest activity taking place during the first two weeks. The latest date for spawning in the Laurentide Park is about October 20 ['August', 'September', 'October']
Salvelinus fontinalis Spawning conditions Parity As soon as S; fontinalis of either sex attains sexual maturity, it can spawn several years in succession No category
Salvelinus fontinalis Egg Oocyte diameter 3.80-4.80 4.3 mm