Diet
Sockeye salmon, unlike other species of Pacific Salmon, feed extensively on zooplankton during both freshwater and saltwater life stages. Their numerous gill rakers strain the plankton from the water. This diet may be the reason for the striking hue of their flesh, as well as their very low concentration of methylmercury. They also tend to feed on small aquatic organisms such as shrimp. Insects are part their diet at the juvenile stage.
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