Oncorhynchus_mykiss larvae go through a series of morphological changes to prepare for life in the sea, and spend their adult life there for 2 to 3 years before migrating upstream to spawn in their natal stream.
Development - Life Cycle: metamorphosis
- California Department of Fish and Game. The Life Histories of the Steelhead Rainbow Trout and Silver Salmon. Bulletin No. 98. Sacramento, CA: California Department of Fish and Game. 1954. Accessed October 10, 2005 at http://content.cdlib.org/xtf/view?docId=kt9x0nb3v6&doc.view=frames&chunk.id=d0e1958&toc.depth=1&toc.id=d0e1958&brand=oac.
- Thrower, F., J. Hard, J. Joyce. 2004. Genetic architecture of growth and early life-history transitions in anadromous and derived freshwater populations of steelhead. Journal of Fish Biology, 65: 286-307.
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