Miyuki Medaka Ricefish (Oryzias latipes)

Miyuki rice fish, also known as Miyuki Medaka or Oryzias latipes, is a stunning and hardy freshwater species that’s gaining popularity among aquarists. 

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About Miyuki Rice Fish

• Appearance: Known for their iridescent, metallic sheen, especially visible from above. Varieties include Platinum Blue, White, Red, Gold, and Black Miyuki.
• Size: Typically 1.2–1.6 inches (3–4 cm).
• Lifespan: Up to 4–5 years in captivity.
• Temperament: Peaceful and social; best kept in small schools.
• Viewing: Their beauty is best appreciated from a top-down view, making them ideal for shallow aquascapes or patio ponds.

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Care Requirements

• Tank Size: Minimum 10 gallons for a small group.
• Water Parameters:
  • Temperature: 64–82°F (18–28°C)
  • pH: 6.5–8.0
  • GH: 6–20
• Diet: Omnivorous – feed with medaka-specific flakes/pellets, live/frozen foods (daphnia, brine shrimp), and occasional plant-based foods.
• Tank Setup:
  • Planted tanks with floating plants are ideal.
  • Light-colored substrate enhances their visual appeal.
  • Moderate to bright lighting brings out their shimmer.
  • Use a lid or floating plants to prevent jumping.

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Breeding

• Ease: Very easy to breed.
• Spawning: Females carry eggs on their anal fins before depositing them among fine-leaved plants.
• Incubation: Eggs hatch in 10–14 days depending on temperature.
• Fry Care: Feed infusoria or commercial fry food initially.

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