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Left-facing adult female Xiphophorus milleri AI illustration, golden black-speckled body, full abdomen and dark caudal-base band.

Xiphophorus milleri

Xiphophorus milleri

A yellow, densely speckled female; males in the reference stock are smaller and plainer.

This adult female has a full abdomen, golden body, irregular black speckles and a dark caudal-base band. Males are much smaller and less patterned.

Adult length
Up to 3 cm
Water temperature
24–28 °C
Hardness
4–15 dGH
Native range
Central America: Papaloapan ecoregion in Mexico.
Natural habitat
Mainly inhabits shallow lake tributaries and inlet mouths, often in very shallow water.

Females reach near 4 cm.

View comparison →

Appearance and identification

Compared with the pale silver andersi female, this milleri female is yellow and extensively speckled. Smaller males and larger females are the same species.

Aquarium environment

Planting does not replace temperature and breeding requirements.

Sources

www.aquariumglaser.de ↗ 2026-10-23

www.fishbase.se ↗ 2026-10-25

PeekFish · Ornamental fish

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