Gold Twinbar Platy (Xiphophorus maculatus)

Family: Poeciliidae

Gold Twinbar Platy — a Poeciliidae from Central America, peaceful; males chase persistently, give females cover. Reaches 3–4.4 cm; groups of 6+; more females than males. 18–25 °C.

Care parameters

Water temperature
18–25 °C
pH
7–8
GH hardness
9–19 dGH
Adult length
3–4.4 cm
Minimum tank
25 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful; males chase persistently, give females cover
Origin
Central America

Species overview

Xiphophorus maculatus is a Poeciliidae from Central America. An unkillable beginner classic that nonetheless shows its best in hard, alkaline, well-planted water. It lives on the bottom. Adults reach 3–4.4 cm. Groups of 6+; more females than males. Keep water hard and alkaline, plant densely, and expect fry — forever. Maintain 18–25 °C at pH 7–8. Undemanding once its core needs are met.

Native biotope

Habitat
Warm freshwater streams and lakes
Flow
Still to gentle current
Dissolved O₂
Moderate oxygen levels

Aquascape & hardware

Substrate
Fine sand and gravel
Hardscape
Driftwood and smooth stones
Plants
Hardy common aquarium plants

Temperament, diet & tankmates

Schooling
Groups of 6+; more females than males
Diet
Omnivore; flakes plus vegetable matter and small live foods
Recommended tankmates
  • Corydoras catfish — Share the bottom peacefully
Avoid keeping with
  • Large predators — The fry buffet ends everything

Breeding & notes

Sexual dimorphism
Subtle external differences
Breeding method
Continuous breeder in warm, hard, alkaline water