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Wolasi ricefish, adult male, left-facing AI species illustration

Wolasi ricefish

Oryzias wolasi

Blue iridescence with a red-gold rear body; separate it from Daisy's ricefish.

Males show blue reflections and red-gold posterior coloration with orange-red tail margins, without the vivid anterior red belly of Daisy's ricefish.

Adult length
Up to 3.5 cm (standard length, without the tail fin)
Water temperature
23–27 °C
pH
7–8
Hardness
10–20 dGH
Natural habitat
Inhabits fresh streams with slow to swift flow over mud, stones and plant debris, including sites near waterfalls and coastal springs.

Blue sides and red tail edges alone cannot identify this frequently confused species.

View comparison →

Appearance and identification

A freshwater Sulawesi ricefish formerly traded under Kendari and cf. woworae labels. Compare anterior belly, posterior coloration and locality.

Same-species behaviour

Keep eight or more. Watch courtship chasing.

Space requirements

A 45 × 30 cm base. Provide swimming room and vegetation.

Diet and feeding

Alternate fine prepared food with small live or frozen prey.

Compatibility limits

Prefer identified groups of its own kind and keep breeding lineages separate.

Aquarium environment

Plants and moss offer egg attachment and shelter.

Sources

www.fishbase.se ↗ 2026-10-25

www.seriouslyfish.com ↗ 2026-10-22

www.aquariumglaser.de ↗ 2026-10-22

PeekFish · Ornamental fish

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