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Analysis Of Hybridization Between Native And Invasive Pupfishes (Cyprinodon), Kristina Ayers
Analysis Of Hybridization Between Native And Invasive Pupfishes (Cyprinodon), Kristina Ayers
Electronic Theses and Dissertations
Invasive species are detrimental to native species and when hybridization is involved a decrease in biodiversity may result. Cyprinodon variegatus is an invasive species that has caused devastation to several Cyprinodon species through rapid hybridization and genetic introgression. Cyprinodon rubrofluviatilis is native to the Brazos, Wichita and Red Rivers but fish collected between 2006-2012 from the Brazos River expressed intermediate morphological traits suggesting hybridization had occurred. My objective was to investigate if C. variegatus and C. rubrofluviatilis had hybridized in the Brazos River and if so, to determine the extent of introgression. Molecular analysis of specimens collected between 2013-2017 identified …