LEVEL OF CONCERN: MODERATE
Central Valley steelhead are not in danger of extinction but their numbers will remain low until river conditions that support their migratory life history improve. The highly- altered tail-water habitats downstream of dams select against anadromous life histories and instead favor resident life histories by supplying cool water year-round.
Central Valley steelhead were listed as “threatened” in 1998 following a severe decline in naturally produced steelhead returning from the ocean, the result of dams blocking access to much of their former spawning and rearing habitats. Recent adult returns have been low, presumably due to drought-related impacts.
Scroll down for more information about the Central Valley steelhead. To read the full species account, click here.
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