Chiapas swordtail - Growing to a maximum length of around 7.
Yellow swordtail - Gender:
Platy Monterrey - IUCN lists the Monterrey platyfish, formerly widespread in Mexico, as Critically Endangered, upgraded from Endangered in 1996.
Northern platyfish - Its natural habitat is a hot spring heated by volcanic activity, in Santa Tecla, Mexico.
Green swordtail - Male swordtails are aggressive towards each other, so they must be kept singly or in groups of five or more.
Variegated platy - The variable platyfish grows to a maximum overall length of 7.