Medaka Encyclopedia

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

Pure White Transparent Scale Hikari Daruma – ピュアホワイト透明鱗ヒカリダルマメダカ

Pure White Hikari Transparent Daruma Medaka – ピュアホワイト透明鱗ヒカリダルマメダカ A snow-white gem with a compact, glowing form Physical CharacteristicsThe Pure White Hikari Daruma Medaka is a uniquely elegant variety that combines the pristine coloration of the Pure White line with the symmetry of the Hikari body type and the compact, rounded form of the Daruma. This triple combination makes the fish not only rare but mesmerizing in motion. The contrast of the fish’s neat shape and luminous white coloration makes it a standout in both top- and side-view displays. Origin and Development Before the Pure White line was established, most white medaka showed gender-related coloration differences—males often looked silvery, and females appeared creamy. In 2003, Yukio Ōba of Medaka no Yakata successfully developed a strain where both sexes exhibited consistently bright, pure white coloring. The Hikari and Daruma traits were then combined into this variety through careful selection over generations. The Daruma form is known to be influenced by genetics and environmental factors, particularly water temperature during early development. Achieving and stabilizing the Hikari Daruma type requires specialized breeding efforts. Breeding and Care Considerations ConclusionThe Pure White Hikari Daruma Medaka is a shining example of advanced medaka breeding—uniting the minimal beauty of pure white, the symmetry of Hikari, and the charming compactness of Daruma. For those seeking an ornamental fish that embodies grace, rarity, and refined structure, this medaka offers something truly special. Sources / 出典:

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Pure White Transparent Scale Hikari Daruma – ピュアホワイト透明鱗ヒカリダルマメダカ

Pure White Hikari Transparent Daruma Medaka – ピュアホワイト透明鱗ヒカリダルマメダカ A snow-white gem with a compact, glowing form Physical CharacteristicsThe Pure White Hikari Daruma Medaka is a uniquely elegant variety that combines the pristine coloration of the Pure White line with the symmetry of the Hikari body type and the compact, rounded form of the Daruma. This triple combination makes the fish not only rare but mesmerizing in motion. The contrast of the fish’s neat shape and luminous white coloration makes it a standout in both top- and side-view displays. Origin and Development Before the Pure White line was established, most white medaka showed gender-related coloration differences—males often looked silvery, and females appeared creamy. In 2003, Yukio Ōba of Medaka no Yakata successfully developed a strain where both sexes exhibited consistently bright, pure white coloring. The Hikari and Daruma traits were then combined into this variety through careful selection over generations. The Daruma form is known to be influenced by genetics and environmental factors, particularly water temperature during early development. Achieving and stabilizing the Hikari Daruma type requires specialized breeding efforts. Breeding and Care Considerations ConclusionThe Pure White Hikari Daruma Medaka is a shining example of advanced medaka breeding—uniting the minimal beauty of pure white, the symmetry of Hikari, and the charming compactness of Daruma. For those seeking an ornamental fish that embodies grace, rarity, and refined structure, this medaka offers something truly special. Sources / 出典:

Read More »

Pure White Transparent Scale Hikari Daruma – ピュアホワイト透明鱗ヒカリダルマメダカ

Pure White Hikari Transparent Daruma Medaka – ピュアホワイト透明鱗ヒカリダルマメダカ A snow-white gem with a compact, glowing form Physical CharacteristicsThe Pure White Hikari Daruma Medaka is a uniquely elegant variety that combines the pristine coloration of the Pure White line with the symmetry of the Hikari body type and the compact, rounded form of the Daruma. This triple combination makes the fish not only rare but mesmerizing in motion. The contrast of the fish’s neat shape and luminous white coloration makes it a standout in both top- and side-view displays. Origin and Development Before the Pure White line was established, most white medaka showed gender-related coloration differences—males often looked silvery, and females appeared creamy. In 2003, Yukio Ōba of Medaka no Yakata successfully developed a strain where both sexes exhibited consistently bright, pure white coloring. The Hikari and Daruma traits were then combined into this variety through careful selection over generations. The Daruma form is known to be influenced by genetics and environmental factors, particularly water temperature during early development. Achieving and stabilizing the Hikari Daruma type requires specialized breeding efforts. Breeding and Care Considerations ConclusionThe Pure White Hikari Daruma Medaka is a shining example of advanced medaka breeding—uniting the minimal beauty of pure white, the symmetry of Hikari, and the charming compactness of Daruma. For those seeking an ornamental fish that embodies grace, rarity, and refined structure, this medaka offers something truly special. 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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