1Instituto Politécnico Nacional CICIMAR, La Paz, Mexico
2Conservation Genetics Laboratory, School of Natural Resources and Environment, BSE-317, University of Arizona, Tucson, USA
3Comunidad y Biodiversidad A.C., Guaymas, Mexico
4Conservation Genetics Laboratory, Arizona Cooperative Fish and Wildlife Research Unit, School of Natural Resources and Environment, U.S. Geological Survey, BSE-317, University of Arizona, Tucson, USA