最初命名為 Heterandria tuxtlaensis:
ZooBank:30DD24F2-252A-4E56-8F03-1955C2F7D948.
- Mceachran, John D & T.J. Dewitt. 2008. "A new livebearing fish, Heterandria tuxtlaensis, from Lake Catemaco, Veracruz, Mexico (Cyprinodontiformes: Poeciliidae)". Zootaxa. (1824):45-54 (ffm00267) (摘要)
保育: Pseudoxiphophorus tuxtlaensis 尚未被國際自然保育聯盟列入IUCN受威脅物種紅皮書名單中. Lake Catemaco remains in relatively good shape, and in spite of the exotic Oreochromis sp., the population of the different species appears to remain stable.