- Name of the species: Southern platyfish Xiphophorus maculatus (Günther, 1866)
- Family: Poeciliidae
- Size: up to 4.0 cm
- pH range: 7.0 – 8.0
- Temperature: 18 – 25oC
- Food habit: Omnivorous
- Distribution: North and Central America
The platy colour is gray with dark speckles, sometimes red, in the dorsal fin. The male has gonopodium, and the female has round abdomen when gravid