Baja California rainbow trout
The Baja California rainbow trout or San Pedro Martir trout or Nelson's trout (Oncorhynchus mykiss nelsoni) is a species of fish in the Salmonidae family and a localized subspecies of the rainbow trout (Oncorhynchus mykiss). The fish is endemic to headwater tributaries of the Rio Santo Domingo in the Sierra de San Pedro Mártir mountain range of Baja California., Nelson's trout is one of many Mexican native trout.
The first records of trout in northwest Mexico were published by paleontologist E. D. Cope in 1886 where he describes two specimens from Chihuahua as having the appearance of Salmo purpuratus a name sometimes incorrectly used for cutthroat trout (Oncorhynchus clarki). In 1898 and 1905, naturalist E. W. Nelson with the U.S. Biological Survey led explorations into the Mexican mainland (1898) and Baja California peninsula (1905) to document flora and fauna. In 1908, preserved specimens of trout that Nelson brought back from the Rio Santo Domingo (Santo Domingo creek) in the Sierra de San Pedro Mártir mountains of Baja California were described by ichthyologist B.W. Evermann as a new species Salmo nelsoni, the Baja rainbow trout.
In 1989, morphological and genetic studies indicated trout of the Pacific basin were genetically closer to Pacific salmon (Oncorhynchus species) than to the Salmos–brown trout (S. trutta) or Atlantic salmon (S. salar) of the Atlantic basin. Thus, in 1989, taxonomic authorities moved the rainbow, cutthroat and other Pacific basin trout, including the Mexican native trout into the genus Oncorhynchus. Thus Salmo mykiss nelsoni became O. m. nelsoni.
- "Oncorhynchus mykiss nelsoni". Integrated Taxonomic Information System. Retrieved 18 February 2014.
- Johnson, Rex Jr. (2005). "The Trout of Mexico". The Quiet Mountains-A Ten-year Search for the Last Wild Trout of Mexico's Sierra Madre Occidential. Albuquerque, NM: University of New Mexico Press. pp. 9–19. ISBN 0-8263-2273-5.
- Robert J. Behnke (1992). American Fisheries Society Monograph 6. Bethesda, Maryland, United States: American Fisheries Society. ISBN 0-913235-78-4.
- Behnke, Robert J.; Williams, Ted (2007). "Mexican Golden Trout". About Trout: The Best of Robert J. Behnke from Trout Magazine. Globe Pequot. pp. 97–102. ISBN 978-1-59921-203-6.
- Smith, Gerald R.; Stearley, Ralph F.; Gerald R. Smith, Ralph F. Stearley (1989). "The Classification and Scientific Names of Rainbow and Cutthroat Trouts". Fisheries (American Fisheries Society) 14 (1): 4–10. doi:10.1577/1548-8446(1989)014<0004:TCASNO>2.0.CO;2. Missing
|last3=in Authors list (help)
- Behnke, Robert J.; Tomelleri, Joseph R. (illustrator) (2002). "Genus Oncorhynchus". Trout and Salmon of North America. The Free Press. pp. 10–21. ISBN 0-7432-2220-2.
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