Miyuki Platinum Medaka
Oryzias latipes
Also known as: Miyuki Medaka, Platinum Medaka, Deep Snow Medaka
Origin: Japan (cultivated variety)
Water Parameters
Quick Stats
- Max Size
- 4 cm
- Min Tank
- 20 L
- Lifespan
- 2-5
- Swimming Level
- upper
- Schooling
- Yes (6–15+)
- Diet
- omnivore
- Temperament
- peaceful; spectacular reflective display in groups
About
The Miyuki ('deep snow') medaka is the result of a naturally occurring but subsequently fixed mutation in Oryzias latipes that produces elongated, plate-like reflective scales over the entire dorsal surface of the body. This creates a striking metallic mirror effect that dramatically outshines all other medaka varieties. It spawned an entirely new generation of 'hikari' (light-reflecting) medaka varieties in Japan.
Care Guide
Water: 10–28 °C, pH 7.0–8.5; extremely tolerant; mild brackish acceptable. Tank: 20 L minimum; best displayed over black substrate with overhead LED lighting. Feeding: Medaka pellets, quality flake, Daphnia, baby brine shrimp. Behaviour: Peaceful surface schooler; the mirror-like reflections are most visible when fish swim together. Compatibility: Can be kept with all other medaka varieties and small nano fish.
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