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Keywords:

  • bonytail;
  • Dexter National Fish Hatchery and Technology Center;
  • enrichment;
  • Gila;
  • humpback;
  • microsatellites

Abstract

Bonytail, Gila elegans, is an endangered species of fish native to the Colorado River. Primers are presented for 17 microsatellites cloned from bonytail as well as the results of test amplifications in bonytail and humpback chub, G. cypha. Bonytail exhibited three to 18 alleles per locus across the 17 microsatellites and a mean expected heterozygosity of 0.58 among 10 loci used to screen 160 broodstock. Humpback chub exhibited one to six alleles and a mean expected heterozygosity of 0.69 among 10 loci that were successfully amplified in that species.