Male at Los Anteojitos spring
A male of Cualac tessellatus at Los Anteojitos (small sunglasses) spring, Rioverde valley, Pánuco drainage [San Luis Potosí]. Photo by Juan Miguel Artigas Azas. determiner Juan Miguel Artigas Azas




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Cualac tessellatus Miller, 1956

Cachorrito de la Media Luna; Tessellated killifish.

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Original description as Cualac tessellatus:


  • Miller, Robert Rush. 1956. "A new genus and species of cyprinodontid fish from San Luis Potosi, Mexico, with remarks on the subfamily Cyprinodontinae". Occasional Papers of the Museum of Zoology, University of Michigan. (n. 581), pp. 1-17 (ffm00169)

Conservation: Cualac tessellatus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (VU) vulnerable (2018).