First steps towards the identification of evolutionarily significant units in Mexican native trout: An assessment of microsatellite variation

In the remote high-elevation streams and rivers in the northwest of Mexico, there is an endemic and highly diverse group of native trout related to the rainbow trout lineage (Oncorhynchus mykiss). Currently, only two species have been formally described from this trout complex, the Mexican golden trout, O. chrysogaster, and the San Pedro Martir rainbow trout, O. m. nelsoni, but only the former occurs in the Sierra Madre Occidental (SMO). South...