Steelhead in island park res.?

[chrome_junky]

I have never heard that rainbows can become steelhead or vice versa but I did know steelhead can live in freshwater their intire life but will still spawn in the fall and spring up rivers and creeks and. I also knew they were like 99 percent identical in genetic makeup I thought the one percent difference was being able to transfer from ocean salt water to fresh water. But I'm not a biologist so Im no expert and there is every possibility I am wrong.
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