Summary ²

The rainbow trout (Oncorhynchus mykiss) is a species of salmonid native to cold-water tributaries of the Pacific Ocean in Asia and North America. The steelhead is an anadromous (sea-run) form of the Coastal rainbow trout (Oncorhynchus mykiss irideus) or redband trout (Oncorhynchus mykiss gairdneri) that usually returns to freshwater to spawn after living two to three years at sea. Freshwater forms that have been introduced into the Great Lakes and migrate into tributaries to spawn are...

Sources and Credits

1. (c) Brian Yap (葉), some rights reserved (CC BY-NC), http://www.flickr.com/photos/30265340@N00/3067858402
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Oncorhynchus_mykiss

More Info

• iNaturalist.ca taxon page
• Animal Diversity Web
• Atlas of Living Australia
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• Fish Database of Taiwan
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• FishSource
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