Medaka Encyclopedia — 87 Species Directory

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.

A medaka with gentle pale cream body color. Calm coloring that matches Japanese-style containers well.

A medaka with sunset-like orange-red gradient. Popular for warm color tones.

A two-tone black-and-orange medaka whose scales are outlined by a striking 'black rim,' set against vivid scarlet in the fins and flanks. A bold, show-favorite strain.

General term for medaka with reflective scales on back. Scales shimmer beautifully in sunlight. Various crosses with Miyuki.

The oldest improved medaka variety, kept since the Edo period. Friendly orange-yellow color and extreme hardiness. Perfect for biotope beginners.

Improved medaka with beautiful golden body. Hikari body type with especially strong back shine. Gold gleam stands out viewed from above. Considered auspicious, popular as gifts.

Warm amber (tortoiseshell) body color. More subdued than Youkihi with refined, subtle beauty.

Representative black-body improved medaka. Known for deep black body color with overwhelming presence from its jet-black Orochi lineage. Relatively easy to keep even for beginners.

Deep blue body color reminiscent of the sea. Representative blue medaka variety derived from Miyuki lineage.

Characterized by a metallic sheen along the back. Graded from weak to full-body (Tetsukamen) based on light coverage.

A popular variety featuring vivid orange color. Bred from Youkihi lineage with bright body coloration.

Jet-black medaka with no color fading from background adaptation. A fixed variety where depth of black determines value.

Classic improved medaka with beautiful golden-shining body color. Body sparkles in sunlight, beautiful in tanks and outdoor containers. Easy to keep and suitable for beginners.

A medaka with transparent scales making eye area appear black like a panda. Popular for cute appearance.

A unique medaka with irregular spotted patterns. Charm lies in different patterns per individual.

A beautiful medaka with platinum silver shine across the entire body, appearing rainbow-colored under certain light.

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

White body color combined with hikari body type. Pure white body glows with silvery external light. Hardy and easy to keep, suitable for beginners.

Wild-type medaka native to Japanese streams and rice paddies. Simple yellowish-brown coloring evokes Japan's original landscape. Listed on the Environment Ministry's Red List.

A selectively bred medaka with a black-and-orange semi-transparent body dressed in fine, glittering blue lamé. The contrast of orange base color and blue sparkle shifts with the angle of light.

A medaka with pure white body giving a clean impression. One of the most widely distributed basic varieties.

A refreshing medaka with yamabuki (bright yellow) body color. Brighter than Youkihi, closer to lemon shade.

Hikari body type of Youkihi Medaka. Silvery-white glow on the back combined with vivid orange-red coloration. Stunning when viewed from above.