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
Smoked salmon are a popular appetizer in Europe, usually served with some kind of bread. In the United Kingdom they are typically eaten with brown bread and a squeeze of lemon. In Germany they are eaten on toast or black bread. In Jewish cuisine, smoked or brined salmon is called lox and is usually eaten on a bagel with cream cheese. Smoked salmon is sometimes used in sushi, though not widely in Japan; it is more likely to be encountered in North American sushi bars. The Philly Roll combines smoked salmon and cream cheese and rolls these in rice and nori. Smoking