Rainbow Trout (Oncorhynchus mykiss)

About Rainbow Trout (Oncorhynchus mykiss)

• Kingdom: Animals
• Phylum: Chordates
• Class: Ray-finned Fish
• Order: Salmon, Trout
• Family: Salmon, Trout

The rainbow trout is a species of trout native to cold-water tributaries of the Pacific Ocean in North America and Asia. The steelhead is an anadromous (sea-run) form of the coastal rainbow trout (O. m. irideus) or Columbia River redband trout (O. m. gairdneri) that usually returns to freshwater to spawn after living two to three years in the ocean.