Medaka Encyclopedia — 87 Species Directory
Encyclopedia of popular medaka varieties with traits, care guides, and pricing.
Featured Medaka
Showing 4 of 87 species
Angel Medaka
A pure white medaka with elongated fins like angel wings. Swallow-fin type white medaka.
AngelWhiteSwallow
Boukyaku no Tsubasa Medaka
Oryzias latipes
A long-finned medaka whose black-and-orange aurora body is densely set with glittering yellow lamé — a strain that unites long fins with lamé, traits usually hard to combine.
IntermediateLaméLong fin
Matsui Hirenaga Medaka
Oryzias latipes var.
Medaka with elongated dorsal, caudal, and pectoral fins. Developed by Matsui fish farm. Gracefully flowing fins are best appreciated from the side.
Modified medakaLong finSpecial body type
Tennyo no Mai Medaka
Oryzias latipes
A medaka crossing Matsui long-fin onto a miyuki base so that all fins extend evenly; the fan-like, trailing fins are likened to a celestial maiden's robe.
IntermediateLong finMiyuki
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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.