The Panuco swordtail lives in the benthopelagic, freshwater, pH range: 7.5, dH range: 25 environment.
* Panuco swordtail, Xiphophorus nigrensis Rosen, 1960. * Pygmy swordtail, Xiphophorus pygmaeus Hubbs & Gordon, 1943. * Xiphophorus roseni Meyer & Wischnath, 1981. * Xiphophorus signum Rosen & Kallman, 1969. More
espada pigmea El Abra in Spanish (español)
Kleinschwertträger in German (Deutsch)
Lille sværddrager in Danish (dansk)
Panuco swordtail in English
Teräsmiekkapyrstö in Finnish (suomen kieli)
尼加拉剑尾鱼 in Mandarin Chinese
尼加拉劍尾魚 in Mandarin Chinese