Sheepheaven Creek redband trout

The Sheepheaven Creek redband trout is a local Californian variety of the rainbow trout (Oncorhynchus mykiss), a freshwater fish in the family Salmonidae. It is considered either a distinct western form of the McCloud River redband trout (subspecies Oncorhynchus mykiss stonei),[1] or a subspecies of its own, which has not been scientifically named and described yet.[2] It is native to Sheepheaven Creek, Siskiyou County, California, United States.[3][4] It has been transplanted into Swamp Creek in 1972 and 1974 and into Trout Creek in 1977. They can now be found in both locations.[5] Sheepheaven Creek redband are found to be the most distinct anatomically among all other western North American trout groups, and therefore has been suggested to merit recognition as a new subspecies.[2][6][7] A key diagnostic character is that they have the fewest gill rakers of any western trout.[8]

Sheepheaven Creek redband trout
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Salmoniformes
Family:
Salmonidae
Genus:
Oncorhynchus
Species:
Oncorhynchus mykiss
Subspecies:
O. mykiss ssp.?

Sheepheaven Creek is used as the type locality of O. m. calisulat Campbell and Conway 2023,[9] a taxon restricted in distribution the McCloud River drainage upstream of McCloud Falls. In this taxonomic scheme, Sheepheaven Creek is one of several genetically pure populations of a distinctive lineage of rainbow trout.

References
  1. California Department of Fish and Game; California Inland Fisheries Branch (1973). Inland fisheries administrative report. Vol. 74–75. California: State of California, The Resources Agency, Department of Fish and Game.
  2. Robert J. Behnke (2002). Trout and Salmon of North America. New York: Chanticleer Press. ISBN 0-7432-2220-2.
  3. J. R. Gold (1977). Systematics of western North American trout (Salmo). California.{{cite book}}: CS1 maint: location missing publisher (link)
  4. Peter B. Moyle (1976). Inland Fishes of California. California: University of California Press.
  5. Steven Ojai. "Fly Fishing the Sierra". Retrieved November 15, 2012.
  6. Molly Rebecca Stephens (2007). Systematics, Genetics and Conservation of Golden Trout. California: University of California.
  7. Jeff Weaver; Stephanie Mehalick. "Genetic Sampling of Oncorhynchus mykiss in the Upper McCloud River Drainage". California Department of Fish and Game. Retrieved November 16, 2012.
  8. Robert J. Behnke (1992). American Fisheries Society Monograph - Native trout of western North America. Vol. 6. Bethesda, Maryland, United States: American Fisheries Society. ISBN 0-913235-78-4.
  9. Campbell, Matthew A.; Habibi, Ensieh; Auringer, Grace; Stephens, Molly; Rodzen, Jeff; Conway, Kevin W.; Finger, Amanda J. (2023-03-09). "Molecular Systematics of Redband Trout from Genome-Wide DNA Sequencing Substantiates the Description of a New Taxon (Salmonidae: Oncorhynchus mykiss calisulat) from the McCloud River". Zootaxa. 5254 (1): 1–29. doi:10.11646/zootaxa.5254.1.1. ISSN 1175-5334. PMID 37044738. S2CID 257471603.


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