Oncorhynchus mykiss individuals live for 6 to 8 years in the wild, possibly up to 11 years.
Status: wild: 11 (high) years.
Status: wild: 6 to 8 years.
- Michigan Department of Natural Resources. 2005. "Steelhead: Oncorhynchus Mykiss" (On-line). Accessed October 07, 2005 at http://www.michigan.gov/dnr/0,1607,7-153-10364_18958-45692--,00.html.
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