Yegorova, T.V. (1978) Spawing runs and spawning times og the sockeye salmon, Oncorhynchus nerka, in the Ozernaya River basin. ?????????, pp.
Species | Development state | Trait | Primary Data | Secondary Data |
Oncorhynchus nerka | Female | Length at sexual maturity | 53.3-55.9 [Length of female at the beginning and at the end of the running migration] | 54.6 cm |
Oncorhynchus nerka | Female | Weight at sexual maturity | 1.90-2.38 [Weight of female at the beginning and at the end of the running migration] | 2.14 kg |
Oncorhynchus nerka | Female | Absolute fecundity | 3.2-3.9 | 3.55 thousand eggs |
Oncorhynchus nerka | Male | Length at sexual maturity | 57.5-59.9 [Length of female at the beginning and at the end of the running migration] | 58.7 cm |
Oncorhynchus nerka | Male | Weight at sexual maturity | 2.58-2.80 [Weight of female at the beginning and at the end of the running migration] | 2.69 kg |
Oncorhynchus nerka | Spawning conditions | Spawning migration period | The spawning run usually begins in the last days of May and ends the end of October/beginning of November. The heavy run occurs in the time interval between the middle of July and the beginning of September, the main part of the run from the end of July to the middle of August [The total duration of the spawning run is 5.5 months, the heavy run 1.5-2 months, the main part of the run 10-22 days] | ['May', 'July', 'August', 'September', 'October', 'November'] |
Oncorhynchus nerka | Spawning conditions | Spawning season | Spawning occurs from the end of July to February but in some years continue through February, but in lake Dal'neye occur from the end of July to the beginning of October | ['January', 'February', 'July', 'August', 'September', 'October', 'November'] |
Oncorhynchus nerka | Spawning conditions | Spawning period duration | Its total duration is 6.5 months, but in one lake is about 3 months | 6.5 weeks |