Daisy's Blue Ricefish (Oryzias woworae) Care Guide

A strikingly beautiful ricefish from Sulawesi, Indonesia, discovered in 2010 and quickly becoming a sensation in the nano aquarium hobby.

Overview

Oryzias woworae is a species in the family Adrianichthyidae. A strikingly beautiful ricefish from Sulawesi, Indonesia, discovered in 2010 and quickly becoming a sensation in the nano aquarium hobby. Males display an intense neon blue body with bright red-orange pectoral fins, making them among the most colorful ricefish species. Easy to breed and relatively hardy, they prefer clean, slightly hard water and moderate temperatures.

Taxonomy

Family: Adrianichthyidae
Genus: Oryzias
Scientific name: Oryzias woworae
Other names: Oryzias woworae, Neon Blue Ricefish, Wowora Ricefish
Origin: Southeast Asia

Habitat

Endemic to a few small streams and lakes near Kolaka on the island of Sulawesi, Indonesia. Inhabits clear, slow-moving water with vegetation. Males display blue iridescence and red-orange fins; described to science in 2010 and of conservation concern due to its restricted range.

Tank requirements

Minimum tank volume: 30 L
Temperature: 22-27 °C
pH: 6.5-7.5
GH: 5-15 °dGH
Water flow: low
Adult size: 2.5-3 cm
Lifespan: 2-3 years
Recommended group size: ≥ 6
Difficulty: intermediate

Diet

Classified as omnivore. Recommended feeding frequency: 2x daily. In captivity, offer a varied diet appropriate to the species — quality prepared foods supplemented with frozen or live items of suitable size.

Compatibility

Temperament: peaceful
Swimming level: top
Compatible tank mates: Celestial Pearl Danio, Pygmy Corydoras, Cherry Shrimp, Otocinclus, Other ricefish
Avoid with: Large or aggressive fish, Fast aggressive feeders

Breeding

Breeding strategy: egg-layer
Breeding difficulty: beginner