Recent results from white sturgeon monitoring surveys by the California Department of Fish and Wildlife (CDFW) suggest the white sturgeon (Acipenser transmontanus) population has continued to decline. CDFW fisheries biologists now estimate there are approximately 6,500 white sturgeon between 40-60 inches long in California — down sharply from the previous estimate of approximately 30,000 fish in that size range, based on the 2016-2021 survey average. There may be many reasons for the downward trend, including mortality from harmful algal blooms, poaching, past sport fishing harvest and poor river and Delta conditions. … Based on historical surveys conducted by CDFW between 1954–2022, the number of white sturgeon in California has been in decline for many years. The species is currently a candidate for listing as threatened under the California Endangered Species Act (CESA) and receives full CESA protection while its status is reviewed. 

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