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There are currently 15 DPS for steelhead (Oncorhynchus mykiss) and 31 evolutionarily significant units (ESU) for five species of Pacific salmon Oncorhynchus. The boundaries of these areas are used to determine whether specific populations of a species should be designated threatened or endangered species under the Endangered Species Act .
Steelhead in 1924 illustration using the original taxonomic name, Salmo gairdneri The freshwater form of the steelhead is the rainbow trout (Oncorhynchus mykiss).The difference between these forms of the species is that steelhead migrate to the ocean and return to freshwater tributaries to spawn, whereas non-anadromous rainbow trout do not leave freshwater.
The rainbow trout (Oncorhynchus mykiss) is a species of trout native to cold-water tributaries of the Pacific Ocean in North America and Asia. The steelhead (sometimes called steelhead trout) is an anadromous (sea-run) form of the coastal rainbow trout (O. m. irideus) or Columbia River redband trout (O. m. gairdneri) that usually returns to freshwater to spawn after living two to three years ...
Jun. 12—OLYMPIA — The recreational fishing season for salmon and steelhead on the Columbia River has been extended, including the section of river downstream from the Highway 395 bridge in Pasco.
Here’s what to expect during salmon season, and where you can view the rainbow fish.
Rider owns The Outdoorsman, a store in Winthrop, Washington, and he's had a lot of customers this week buying flies and other essentials for steelhead fishing on the Methow River. "It's been nuts ...
A grizzly bear ambushing a jumping salmon during an annual salmon run. A salmon run is an annual fish migration event where many salmonid species, which are typically hatched in fresh water and live most of their adult life downstream in the ocean, swim back against the stream to the upper reaches of rivers to spawn on the gravel beds of small creeks.
Sep. 26—MATTAWA — Coho salmon season has opened along the Columbia River for most of the section between Priest Rapids Dam and Chief Joseph Dam. Anglers can fish for coho through Oct. 15.