R8 FAC Polychaete Survey WFL1 [U.S. Fish and Wildlife Service] {2019}
Description
C. shasta(Ceratonova shasta)is a parasite that can adversely affectsalmonids and in some instances maybe fatal. This parasite completes its life cycle by infecting polychaete worms (Manayunkia speciosa)in their myxospore stage;then is released as a actinospore which infects salmonids. Steelhead (Oncorhynchus mykiss), Chinook (Oncorhynchus tshawytscha) and Coho (Oncorhynchus kisutch) are species of concern regardingC.shastainfectionin the Klamath River.U.S. Fish and Wildlife ServiceFish and Aquatic Conservation program's Arcata officein coordination with Oregon State University's John L. Fryer Aquatic Animal Health Laboratory annually collects information on abundance of polychaete worms andinfection rates ofC. shastafor three reaches on the Klamath River frombelow the Shasta River confluence to the Scott River confluence.
Department of the Interior (2019). R8 FAC Polychaete Survey WFL1 [U.S. Fish and Wildlife Service] {2019}. . https://gis-fws.opendata.arcgis.com/maps/fws::r8-fac-polychaete-survey-2019-wfl1 (web service)