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Medaka Encyclopedia — 87 Species Directory

Encyclopedia of popular medaka varieties with traits, care guides, and pricing.

Featured Medaka

Matsui Hirenaga Medaka
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Modified medakaExternal lightHikari bodyLong finBlackTransparent scaleLameGorgeousClassicOutdoor OKAlbinoMysticalBlueLame scalesOrange-red

Showing 2 of 87 species

Houou Medaka

Houou Medaka

Oryzias latipes var.

Advanced

Gorgeous variety combining red, white, and black tricolor with elongated fins. Beautiful combination of phoenix-like graceful long fins and complex body coloration. Advanced collector's variety.

Modified medakaTricolorLong fin
Midnight Frill Medaka

Midnight Frill Medaka

Oryzias latipes

Advanced

A jet-black medaka that never fades to its background, with lavish, frill-like rippling fins; the contrast of pitch-black body and undulating long fins is its centerpiece.

AdvancedLong finBlack body
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Medaka FAQ

How much do medaka cost?
Common varieties cost 100-500 yen each, popular Youkihi and lame types 500-3,000 yen, and rare new varieties can reach 5,000-30,000+ yen per pair.
Can beginners keep medaka?
Medaka are adapted to Japanese climate and can even be kept in outdoor biotopes. They're hardy, tolerant of temperature changes, and one of the easiest ornamental fish for beginners.
How long do medaka live?
In the wild they live 1-2 years, but in captivity they can live 2-4 years. Proper water management and feeding help them thrive longer.
What should I check when buying medaka?
Check that they're swimming actively, not too thin, and free of injuries or disease signs. Choose specimens that clearly display their variety's characteristics.
Is medaka breeding easy?
Medaka breed relatively easily, spawning from spring to autumn when water temperature is above 20°C with 12+ hours of daylight. Moving eggs to a separate container improves hatch rates.