Kirameki
Kirameki is a premium medaka variety prized for the shimmering, multicolored glitter scales scattered across its entire body. Depending on the angle of light, its colors shift through an iridescent, rainbow-like sheen that stands out vividly in any tank. Each fish displays its glitter pattern a little differently, making every individual visually unique. That same sparkle comes from a genetically unstable trait that is notoriously difficult to fix reliably across generations, so breeding true-to-type offspring is considered an advanced-level challenge. Kirameki typically live 2 to 3 years and reach about 3 to 4cm as adults, and they make a rewarding choice for keepers who enjoy close, patient observation.
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Each Medaka listing includes the following from Breeder. Full transparency on color variations (Yokihi/Miyuki/Lame) and lineage guaranteed.
- Variety Name
- Lineage
- Actual Photos
- Color Classification
- Body Type
- Scale Type
- Size
- Origin
- Age/Generation
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Kirameki key facts
- Care level
- Advanced
- Lifespan
- 2-3 years
- Size
- 3-4cm
- Temperature
- 5〜30℃
- Diet
- Medaka pellets, daphnia, brine shrimp
- Container
- Dark containers make lame shine stand out
- Lighting
- LED lighting shows multicolor lame at its best
- Temperature
- 5-30°C (optimal 20-28°C)
- Breeding
- Multicolor lame fixation rate is very low — strict selection essential
- Notes
- High-quality individuals are valuable — buy from trusted breeders
About Kirameki
Kirameki is a premium medaka covered in iridescent glitter scales that shift color with the light. The trait is hard to fix genetically, making it an advanced-level variety. Lives 2-3 years, grows to 3-4cm.
7 things to know before welcoming a Kirameki
1Hard to Fix Genetically
Kirameki's glitter pattern is a genetically unstable trait, so offspring don't always inherit the same sparkle as their parents. Reproducing a specific pattern through breeding takes patient, repeated selection and is considered an advanced-level project.
2Color Shifts With Light
The glitter scales appear to shift through rainbow hues depending on the angle of light. Adjusting your lighting position or viewing angle lets you appreciate Kirameki's shimmer at its best.
3Every Fish Is Unique
The placement and color combination of the glitter varies from fish to fish. Even within the same variety no two individuals look quite alike, so it's fun to pick out a favorite.
4Lifespan: 2-3 Years
Kirameki typically live around 2 to 3 years. Keeping water temperature and quality stable is key to helping them live a long, healthy life.
5Adult Size: 3-4cm
Adults stay a compact 3 to 4cm, making them well suited to smaller tanks or outdoor biotopes.
6Careful Water Care
Maintaining their sparkling appearance takes consistent care, avoiding sudden swings in water temperature and keeping up with regular water changes. Glitter coloration can also be affected by the fish's overall condition.
7Prepare Before Bringing Home
Kirameki are often treated as a delicate ornamental variety, so it helps to have your tank environment ready before bringing them home. Pairing them with other glitter-type varieties can also be a nice way to enjoy the contrast in patterns.
Frequently asked questions about Kirameki
- Q.Can beginners keep Kirameki medaka?
- A.Day-to-day care isn't much different from standard medaka keeping, but breeding to fix the glitter pattern is considered advanced-level. If you're mainly interested in appreciating their look, careful water quality management makes them manageable for less experienced keepers too.
- Q.How do I keep the glitter looking its best?
- A.Keeping water quality and temperature stable, and avoiding sudden changes, helps preserve the glitter's vivid coloration. A low-stress environment also brings out their shimmer more fully.
- Q.Can Kirameki be kept with other medaka?
- A.They have a relatively calm temperament and can generally be kept alongside other medaka varieties. That said, keeping them with other glitter-type varieties can make it easier to appreciate the patterns side by side.
- Q.Will breeding produce offspring with the same pattern?
- A.Kirameki's glitter trait is genetically unstable, so offspring won't necessarily reproduce their parents' exact pattern. Achieving a specific look takes patient, repeated selective breeding.
- Q.Can Kirameki be kept in an outdoor biotope?
- A.Since adults stay a compact 3 to 4cm, they're well suited to outdoor biotope keeping. If you want to fully appreciate their glitter shimmer, setting up the environment so you can view them from above helps.
Useful tools for Kirameki care
Learn more about Kirameki in the encyclopedia
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Care difficulty, lifespan, size and diet — all basics covered.
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