Medaka Encyclopedia

Welcome to our Medaka Encyclopedia – your complete guide to Japanese rice fish (Oryzias latipes).

Red and White Lamé (Kōhaku Rame Medaka) – 紅白ラメメダカ

Kōhaku Lamé Medaka – 紅白ラメメダカ Traditional elegance meets a sparkling modern twist Physical CharacteristicsThe Kōhaku Lamé Medaka is a graceful ornamental variety that draws inspiration from the iconic Kōhaku koi—featuring bold red and white coloration—while adding a contemporary shimmer through lamé (glittering scales). This beautiful balance between tradition and brilliance makes the variety especially prized by collectors. Origin and Development The Kōhaku Lamé Medaka was established by breeder Seiraku-an in 2016. It originated from the Sanshoku Lamé Mikiyuki line but was refined by removing the black elements, leaving only the red and white—a process that emphasized the classical koi aesthetic. To enhance the glow and contrast of the white areas, Aurora-lineage genes were introduced, leading to a unique medaka that combines vivid coloration with internal luminosity. One of the most impressive challenges in developing this variety is fixation. Achieving clear red-white balance with pronounced lamé has an estimated fixation rate of only 10%, meaning extensive selection and patience are required over several generations. Breeding Notes ConclusionThe Kōhaku Lamé Medaka offers a perfect blend of old and new. It brings the elegance of Kōhaku coloration into the modern medaka world with its sparkling lamé. For breeders and collectors alike, this fish represents a rewarding challenge and a brilliant addition to any viewing bowl or pond. Sources / 出典:

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Red and White Lamé (Kōhaku Rame Medaka) – 紅白ラメメダカ

Kōhaku Lamé Medaka – 紅白ラメメダカ Traditional elegance meets a sparkling modern twist Physical CharacteristicsThe Kōhaku Lamé Medaka is a graceful ornamental variety that draws inspiration from the iconic Kōhaku koi—featuring bold red and white coloration—while adding a contemporary shimmer through lamé (glittering scales). This beautiful balance between tradition and brilliance makes the variety especially prized by collectors. Origin and Development The Kōhaku Lamé Medaka was established by breeder Seiraku-an in 2016. It originated from the Sanshoku Lamé Mikiyuki line but was refined by removing the black elements, leaving only the red and white—a process that emphasized the classical koi aesthetic. To enhance the glow and contrast of the white areas, Aurora-lineage genes were introduced, leading to a unique medaka that combines vivid coloration with internal luminosity. One of the most impressive challenges in developing this variety is fixation. Achieving clear red-white balance with pronounced lamé has an estimated fixation rate of only 10%, meaning extensive selection and patience are required over several generations. Breeding Notes ConclusionThe Kōhaku Lamé Medaka offers a perfect blend of old and new. It brings the elegance of Kōhaku coloration into the modern medaka world with its sparkling lamé. For breeders and collectors alike, this fish represents a rewarding challenge and a brilliant addition to any viewing bowl or pond. Sources / 出典:

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Red and White Lamé (Kōhaku Rame Medaka) – 紅白ラメメダカ

Kōhaku Lamé Medaka – 紅白ラメメダカ Traditional elegance meets a sparkling modern twist Physical CharacteristicsThe Kōhaku Lamé Medaka is a graceful ornamental variety that draws inspiration from the iconic Kōhaku koi—featuring bold red and white coloration—while adding a contemporary shimmer through lamé (glittering scales). This beautiful balance between tradition and brilliance makes the variety especially prized by collectors. Origin and Development The Kōhaku Lamé Medaka was established by breeder Seiraku-an in 2016. It originated from the Sanshoku Lamé Mikiyuki line but was refined by removing the black elements, leaving only the red and white—a process that emphasized the classical koi aesthetic. To enhance the glow and contrast of the white areas, Aurora-lineage genes were introduced, leading to a unique medaka that combines vivid coloration with internal luminosity. One of the most impressive challenges in developing this variety is fixation. Achieving clear red-white balance with pronounced lamé has an estimated fixation rate of only 10%, meaning extensive selection and patience are required over several generations. Breeding Notes ConclusionThe Kōhaku Lamé Medaka offers a perfect blend of old and new. It brings the elegance of Kōhaku coloration into the modern medaka world with its sparkling lamé. For breeders and collectors alike, this fish represents a rewarding challenge and a brilliant addition to any viewing bowl or pond. Sources / 出典:

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Raikō Kagami Scale Medaka

Raikō Kagami Uroko Medaka (来光カガミ鱗メダカ) – Sacred Light Meets Mirror-Like Elegance Raikō Kagami Uroko Medaka (来光カガミ鱗メダカ) is a stunning ornamental

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Oranje Medaka

Oranje Medaka – オランジェメダカ: A Harmonious Blend of Chocolate and Sunset Tones Oranje Medaka (オランジェメダカ) is a uniquely charming medaka

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Wazumi Tricolor Medaka

Wazumi Tricolor Medaka (和墨三色メダカ) – A Living Canvas of Ink, White, and Red Wazumi Tricolor Medaka (和墨三色メダカ) is a stunning

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Wazumi Medaka

Wazumi Medaka (和墨メダカ) – Traditional Contrast with Modern Breeding Wazumi Medaka (和墨メダカ) is a unique ornamental strain created to resemble

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Halcyon Medaka

Halcyon Medaka (ハルシオンメダカ) – A Gentle Light in Still Waters Halcyon Medaka (ハルシオンメダカ) is a calm, elegant ornamental strain celebrated

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Pure White Transparent Scale Medaka

Pure White Transparent-Scale Medaka (ピュアホワイト透明鱗メダカ) – Where Clarity Meets Purity Pure White Transparent-Scale Medaka (ピュアホワイト透明鱗メダカ) is a beautifully simple yet

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