Katie O'Reilly on X: @BrianTh84874896 A great question! Rainbow trout + steelhead are genetically the same species (Oncorhynchus mykiss) but w/ different migration strategies. Rainbows spend most of their lives in freshwater

Genetic structure and relationships among steelhead trout

Pair of Rainbow trout Oncorhynchus mykiss swimming at surface in fresh water with sandy bottom at fish hatchery in Sandwich, Cape Cod Massachusetts Stock Photo - Alamy

Coastal Rainbow Trout (Subspecies Oncorhynchus mykiss irideus) · iNaturalist

Ask a Naturalist: Are Steelhead trout and Rainbow trout the same species?

Katie O'Reilly on X: @BrianTh84874896 A great question! Rainbow

Rainbow Trout (Reptiles, Amphibians and Fish of the Kaibab National Forest) · iNaturalist

Rainbow Trout Natural Atlas

The rainbow trout genome provides novel insights into evolution after whole-genome duplication in vertebrates

Genetic structure and relationships among steelhead trout

Ask a Naturalist: Are Steelhead trout and Rainbow trout the same species?

Steelhead Rainbow Trout Large Decals and Stickers

Rainbow trout vs steelhead: The best way to tell the difference – Trout Mastery

Canku Ota - November 2013 - Template

Steelhead / Rainbow / Redband Trout – Oregon Conservation Strategy