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.

Medaka Encyclopedia — 87 Species Directory

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

Featured Medaka

Matsui Hirenaga Medaka

All Beginner Intermediate Advanced

Modified medaka External light Hikari body Long fin Black Transparent scale Lame Gorgeous Classic Outdoor OK Albino Mystical Blue Lame scales Orange-red

Showing 3 of 87 species

Ao Hikari Medaka

Oryzias latipes var.

Beginner

Blue body color combined with hikari body type. Bluish body with silvery-blue external light creates cool and fantastical beauty. Especially beautiful in outdoor sunlight.

Modified medakaHikari bodyBlue

Ginga Medaka

Oryzias latipes var.

Intermediate

Improved medaka with beautiful blue external body light. Named because the blue-white external light emanating from the back evokes a galaxy. Popular variety with fantastical beauty like a nighttime water surface.

Modified medakaBlueExternal light

Ramune Medaka

Beginner

Improved medaka with refreshing soda-blue body color. Translucent blue is cool and eye-catching in summer outdoor keeping. Derived from Miyuki lineage.

Modified medakaBlueRefreshing

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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.