Salmon run plankton. At this point the baby salmon are called "fry". At the end of the summer the fry develop into juvenile fish called "parr". Parr feed on small invertebrates and are camouflaged with a pattern of spots and vertical bars. They remain in this stage for up to three years. As they approach the time when they are ready to migrate out to the sea the parr lose their camouflage bars and undergo a process of physiological changes which allows them to survive the shift from freshwater to saltwater. At this point salmon are called "smolt". Smolt spend time in
Cyril Salmon, Baron Salmon the Queen's Bench Division, and received the customary knighthood. In 1964, he was made a Lord Justice of Appeal and sworn of the Privy Council. On 10 January 1972, he was appointed a Lord of Appeal in Ordinary, being created, at the same time, a life peer with the title Baron Salmon, of Sandwich in the County of Kent. On 25 July 1929, Salmon married Rencie Vanderfelt (d. 1942), the daughter of Sydney Gorton Vanderfelt, and they had two children, Gai Rencie Salmon (b. 1933) and David Neville Cyril Salmon (b. 1935). Following his first wife's death in 1942, Salmon