156408 Salmon - Salmo salar Length to 150cm. Large and distinctive fish. Found in open seas for much of life, but migrates into freshwater to spawn. Adult has streamlined, powerfully muscular body. At sea, silver-grey above, silvery-white below, with dark spots on back and flanks; spawning individuals become duller and more yellow. Widespread and locally, and seasonally, fairly common, least so in E and SE.