Beacham, 1989



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Oncorhynchus tshawytscha Spawning conditions Spawning substrate Gravels [Larger gravel siez may occur in large rivers] Lithophils
Oncorhynchus tshawytscha Female Age at sexual maturity 3-4 [Most males (81%) mature after spending three or four winters in the ocean] 3.5 years
Oncorhynchus tshawytscha Female Length at sexual maturity The postorbital-hypural length : 73.9.-79.4 with n = 540, i.e. more than 90% of the sample [Complete mean range : 68.6 (n=35), 794 (n=147] 44.2 cm
Oncorhynchus tshawytscha Male Length at sexual maturity The postorbital-hypural length : 58.5-67.9 with n = 929 i.e. 90% of the sample [Complete mean range : 51.0 ± 1.2 (n=54), 85.2 +/ 2 (n=3)] 51.0 cm
Oncorhynchus tshawytscha Female Age at sexual maturity 4-8 [Most female (93%) mature after spending four or five winter ar sea] 6.0 year