Figure 16.1 - 16.3. 16.1. Oncorhynchus tshawytscha (Chinook Salmon); scale bar = 1.0 mm. 16.2. Oncorhynchus tshawytscha (Chinook Salmon); scale bar = 1.0 mm. 16.3. Oncorhynchus tshawytscha (Chinook Salmon); sketch of living specimen, non-spawning; length = 147 cm. (To see enlargement, click on image.)