Male in La Margarita stream
Male of Xiphophorus milleri in La Margarita stream, Lake Catemaco, Papaloapan drainage [Veracruz]. Photo by Juan Miguel Artigas Azas. (09-Apr-2021). determiner Juan Miguel Artigas Azas




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Xiphophorus milleri Rosen, 1960

Catemaco livebearer; Catemaco platyfish; Espada de Catemaco.

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Original description as Xiphophorus milleri:


  • Rosen, Donn E. 1960. "Middle-American poeciliid fishes of the genus Xiphophorus". Bulletin of the Florida State Museum, Biological Sciences. 5(4): 57-242 (ffm00047)

Conservation: Xiphophorus milleri is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2018). Espinoza-Perez ([ref1=1059]) reports that at least in some areas of its range X. milleri is severely threatened by water pollution from agriculture and farming run-off, urban sewage and industrial discharges, increased sedimentation, eutrophication and coliform bacteria. I have observed (2021) X. milleri inhabiting some pristine habitats in streams in the eastern part of Lake Catemaco.