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 4 of 87 species

Five Color Medaka

Advanced

A gorgeous medaka with five colors: red, white, black, blue, yellow. Multicolor like koi in water bowls.

Five ColorKoi-likeMulticolor

Hanabi (Fireworks) Medaka

Intermediate

Multicolored glitter scattered across body radiates like fireworks. Lame changes to rainbow colors with light angle. Rapidly gaining popularity as a summer icon.

Modified medakaMulticolor lameGorgeous

Hyakushiki Medaka

Intermediate

Gorgeous golden body with shimmering lame scales. Named after the Hyaku Shiki from Gundam. Shines gold in top view.

GoldenLame scalesGorgeous

Kaguya Medaka

Advanced

A beautiful medaka shining like Princess Kaguya from the tale. Hikari body with multicolor lame, a gorgeous variety.

KaguyaMulticolor lameGorgeous

Browse Medaka Listings

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.