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Medaka Encyclopedia

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

Mirage Glow Medaka – ミラージュグロウメダカ

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The Mirage Glow Medaka (ミラージュグロウメダカ) is a captivating ornamental fish that harmoniously blends the unique iridescence of the Mirage strain with the pronounced external light (体外光) characteristic. This fusion results in a medaka that exhibits a luminous glow, captivating enthusiasts and breeders alike.​ Development and Lineage: The Mirage Glow was meticulously developed by crossbreeding the original Mirage Medaka with the Emekin variety. Through selective breeding over four generations (up to the F4 generation), individuals exhibiting both the distinctive guanine-based iridescence of the Mirage and the external light trait were stabilized. Key selection criteria included:​ Notably, the Earth-Eye trait, characterized by silver-colored eyes, remains highly inheritable within this strain. The combined expression of guanine-based iridescence and external light also demonstrates a high heritability, with a stabilization rate of approximately 80%. Key Features: Conclusion: The Mirage Glow Medaka represents a significant advancement in ornamental fish breeding, achieving an unparalleled level of brilliance. Its harmonious blend of unique iridescence and external light traits offers enthusiasts a truly luminous addition to their collections. Image and translation courtesy of:  https://medakazukan.net/post_lp/%e3%83%9f%e3%83%a9%e3%83%bc%e3%82%b8%e3%83%a5%e3%82%b0%e3%83%ad%e3%82%a6/

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Mirage Glow Medaka – ミラージュグロウメダカ

March 30, 2025 No Comments

The Mirage Glow Medaka (ミラージュグロウメダカ) is a captivating ornamental fish that harmoniously blends the unique iridescence of the Mirage strain with the pronounced external light (体外光) characteristic. This fusion results in a medaka that exhibits a luminous glow, captivating enthusiasts and breeders alike.​ Development and Lineage: The Mirage Glow was meticulously developed by crossbreeding the original Mirage Medaka with the Emekin variety. Through selective breeding over four generations (up to the F4 generation), individuals exhibiting both the distinctive guanine-based iridescence of the Mirage and the external light trait were stabilized. Key selection criteria included:​ Notably, the Earth-Eye trait, characterized by silver-colored eyes, remains highly inheritable within this strain. The combined expression of guanine-based iridescence and external light also demonstrates a high heritability, with a stabilization rate of approximately 80%. Key Features: Conclusion: The Mirage Glow Medaka represents a significant advancement in ornamental fish breeding, achieving an unparalleled level of brilliance. Its harmonious blend of unique iridescence and external light traits offers enthusiasts a truly luminous addition to their collections. Image and translation courtesy of:  https://medakazukan.net/post_lp/%e3%83%9f%e3%83%a9%e3%83%bc%e3%82%b8%e3%83%a5%e3%82%b0%e3%83%ad%e3%82%a6/

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Mirage Glow Medaka – ミラージュグロウメダカ

March 30, 2025 No Comments

The Mirage Glow Medaka (ミラージュグロウメダカ) is a captivating ornamental fish that harmoniously blends the unique iridescence of the Mirage strain with the pronounced external light (体外光) characteristic. This fusion results in a medaka that exhibits a luminous glow, captivating enthusiasts and breeders alike.​ Development and Lineage: The Mirage Glow was meticulously developed by crossbreeding the original Mirage Medaka with the Emekin variety. Through selective breeding over four generations (up to the F4 generation), individuals exhibiting both the distinctive guanine-based iridescence of the Mirage and the external light trait were stabilized. Key selection criteria included:​ Notably, the Earth-Eye trait, characterized by silver-colored eyes, remains highly inheritable within this strain. The combined expression of guanine-based iridescence and external light also demonstrates a high heritability, with a stabilization rate of approximately 80%. Key Features: Conclusion: The Mirage Glow Medaka represents a significant advancement in ornamental fish breeding, achieving an unparalleled level of brilliance. Its harmonious blend of unique iridescence and external light traits offers enthusiasts a truly luminous addition to their collections. Image and translation courtesy of:  https://medakazukan.net/post_lp/%e3%83%9f%e3%83%a9%e3%83%bc%e3%82%b8%e3%83%a5%e3%82%b0%e3%83%ad%e3%82%a6/

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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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