Original description as Xiphophorus nezahualcoyotl:
- Rauchenberger, Mary & K.D. Kallman, and D.C. Morizot. 1990. "Monophyly and geography of the Río Pánuco Basin swordtails (Genus Xiphophorus) with descriptions of four new species". American Museum Novitates. (n. 2975), pp. 1-41 (ffm00052)
Conservation: Xiphophorus nezahualcoyotl is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2018).