Salmon as alevin must be quick and careful because big fish,like trout and char, would like to eat them. People would long ago make boots of salmon skin. For thousands of years, the cycle of salmon has worked very well. They have filled the rivers full.
All salmon are different colors.
Salmon are animals. Baby salmon swim in groups, and feed on tiny plants and animals. Baby salmon change by temperature in water. Salmon have a great sense of smell, hearing and taste. These help them find food and sense danger.