Daisy’s Ricefish (Oryzias woworae)

Family: Adrianichthyidae

A peaceful omnivore adrianichthyidae from East Asian freshwaters — beginner-friendly.

Care parameters

Water temperature
18–26 °C
pH
6–7
GH hardness
5–15 dGH
Adult length
2–2.8 cm
Minimum tank
28 L
Water layer
Upper; surface-oriented; keep 6+
Difficulty
Easy
Temperament
Peaceful
Origin
东亚淡水水系

Species overview

Oryzias woworae of the family Adrianichthyidae is an aquarium-kept Adrianichthyidae. Peaceful and omnivore; quality prepared foods with variety, it grows to 2–2.8 cm and prefers 18–26 °C water. Other Oryzias species in our database include Oryzias curvinotus, Oryzias javanicus, Oryzias latipes.

Native biotope

Habitat
Clear streams, rivers and still waters
Flow
Still to very gentle water
Dissolved O₂
Average oxygen needs

Aquascape & hardware

Substrate
Dark fine gravel or sand
Hardscape
Driftwood, water-worn stones and shelters that mimic the native biotope
Plants
Mixed planting with open swimming lanes

Temperament, diet & tankmates

Schooling
Keep 6+; larger groups settle better
Diet
Omnivore; quality prepared foods with variety
Recommended tankmates
  • Amur False Gudgeon — Similar size and water needs
  • China-Bitterling — Similar size and water needs
  • Acanthorhodeus chankaensis — Similar size and water needs
Avoid keeping with
  • Large aggressive cichlids — Bullying and injury risk
  • Known fin nippers — Constant stress and fin damage

Breeding & notes

Sexual dimorphism
Males are typically slimmer and more intensely colored; females fuller-bodied
Breeding method
Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes

Frequently asked questions

Is Daisy’s Ricefish easy to keep?

Beginner-friendly. Peaceful; keep 6+; larger groups settle better.

What temperature and water chemistry does Daisy’s Ricefish need?

Aim for 18–26 °C. Standard heater to hold the mid-range steadily; community-standard range; verify locally.

How big does Daisy’s Ricefish get, and what tank size?

Expect 2–2.8 cm as an adult, living upper; surface-oriented; keep 6+. A 28 L tank or larger gives it room.

What does Daisy’s Ricefish eat?

Omnivore; quality prepared foods with variety. It forages naturally over dark fine gravel or sand, so let some food reach the bottom.

Can Daisy’s Ricefish live with other fish?

Peaceful. Recommended tankmates: Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs. Avoid Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage.

Where does Daisy’s Ricefish come from?

Its home waters are 东亚淡水水系 — clear streams, rivers and still waters, with still to very gentle water.

How does Daisy’s Ricefish breed?

Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes. Males are typically slimmer and more intensely colored; females fuller-bodied.