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Medaka Encyclopedia

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

Wakasagi Medaka – ワカサギ

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Wakasagi Medaka – Japanese Pond Smelt-Inspired Strain | SNR Medaka USA Wakasagi Medaka (ワカサギメダカ) Physical Characteristics The Wakasagi Medaka is a refined improved medaka variety, named after the Japanese pond smelt (Wakasagi). Its cool-toned appearance evokes the tranquility of mountain lakes and spring-fed rivers. The elegance of this strain lies in its delicate balance between clarity, depth, and shine—making it a prized variety for breeders who value both aesthetics and genetic stability. Blue body coloration (青体色): A soft, calming blue that suggests clarity and purity External iridescence (体外光): A luminous, silver-like dorsal shine that reflects gently under light Internal black pigmentation (体内黒): Subtle internal black tones provide elegant contrast and depth Normal scale type (普通鱗): Allows the expression of lamé (sparkling scales) and potential for fin glow Neat fins: Cleanly shaped fins that reflect light gracefully, enhancing the medaka’s movement and silhouette This strain not only displays visual beauty, but also shows resilience in outdoor and indoor environments. It is easy to care for, and the unique scale structure allows for brilliant coloration under different lighting conditions, especially in sunlight or LED setups. Hobbyists and breeders often appreciate Wakasagi for its balance between traditional aesthetics and modern breeding goals. Origin and Development Breeder: Mr. Yukio Ōba (大場 幸雄), affiliated with Medaka no Yakata Year of Release: 2021 Lineage: Selectively bred from Seiryū Kiryū Taigaikō (清流きりゅう体外光) Key Difference: Developed using normal-scaled offspring to enhance traits like lamé and fin glow Concept: Emulates the beauty of Wakasagi with stabilized shine and high fixation rate 🔗 View original strain profile (Japanese): medakazukan.net – ワカサギメダカ Breeding Notes Prioritize fish with strong dorsal shine and clear internal black pigmentation Lamé scales and glowing fins should be selected and bred forward This line has a relatively high fixation rate, suitable even for intermediate breeders Wakasagi Medaka are ideal for those looking to introduce a serene and visually striking strain to their breeding group 📘 See Also: Medaka Egg Hatching Time | Lifespan of Medaka 🐟 Interested in owning this beautiful strain? Visit our shop page to purchase: Wakasagi Medaka – 1 Pair

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Wakasagi Medaka – ワカサギ

April 2, 2025 No Comments

Wakasagi Medaka – Japanese Pond Smelt-Inspired Strain | SNR Medaka USA Wakasagi Medaka (ワカサギメダカ) Physical Characteristics The Wakasagi Medaka is a refined improved medaka variety, named after the Japanese pond smelt (Wakasagi). Its cool-toned appearance evokes the tranquility of mountain lakes and spring-fed rivers. The elegance of this strain lies in its delicate balance between clarity, depth, and shine—making it a prized variety for breeders who value both aesthetics and genetic stability. Blue body coloration (青体色): A soft, calming blue that suggests clarity and purity External iridescence (体外光): A luminous, silver-like dorsal shine that reflects gently under light Internal black pigmentation (体内黒): Subtle internal black tones provide elegant contrast and depth Normal scale type (普通鱗): Allows the expression of lamé (sparkling scales) and potential for fin glow Neat fins: Cleanly shaped fins that reflect light gracefully, enhancing the medaka’s movement and silhouette This strain not only displays visual beauty, but also shows resilience in outdoor and indoor environments. It is easy to care for, and the unique scale structure allows for brilliant coloration under different lighting conditions, especially in sunlight or LED setups. Hobbyists and breeders often appreciate Wakasagi for its balance between traditional aesthetics and modern breeding goals. Origin and Development Breeder: Mr. Yukio Ōba (大場 幸雄), affiliated with Medaka no Yakata Year of Release: 2021 Lineage: Selectively bred from Seiryū Kiryū Taigaikō (清流きりゅう体外光) Key Difference: Developed using normal-scaled offspring to enhance traits like lamé and fin glow Concept: Emulates the beauty of Wakasagi with stabilized shine and high fixation rate 🔗 View original strain profile (Japanese): medakazukan.net – ワカサギメダカ Breeding Notes Prioritize fish with strong dorsal shine and clear internal black pigmentation Lamé scales and glowing fins should be selected and bred forward This line has a relatively high fixation rate, suitable even for intermediate breeders Wakasagi Medaka are ideal for those looking to introduce a serene and visually striking strain to their breeding group 📘 See Also: Medaka Egg Hatching Time | Lifespan of Medaka 🐟 Interested in owning this beautiful strain? Visit our shop page to purchase: Wakasagi Medaka – 1 Pair

Read More »

Wakasagi Medaka – ワカサギ

April 2, 2025 No Comments

Wakasagi Medaka – Japanese Pond Smelt-Inspired Strain | SNR Medaka USA Wakasagi Medaka (ワカサギメダカ) Physical Characteristics The Wakasagi Medaka is a refined improved medaka variety, named after the Japanese pond smelt (Wakasagi). Its cool-toned appearance evokes the tranquility of mountain lakes and spring-fed rivers. The elegance of this strain lies in its delicate balance between clarity, depth, and shine—making it a prized variety for breeders who value both aesthetics and genetic stability. Blue body coloration (青体色): A soft, calming blue that suggests clarity and purity External iridescence (体外光): A luminous, silver-like dorsal shine that reflects gently under light Internal black pigmentation (体内黒): Subtle internal black tones provide elegant contrast and depth Normal scale type (普通鱗): Allows the expression of lamé (sparkling scales) and potential for fin glow Neat fins: Cleanly shaped fins that reflect light gracefully, enhancing the medaka’s movement and silhouette This strain not only displays visual beauty, but also shows resilience in outdoor and indoor environments. It is easy to care for, and the unique scale structure allows for brilliant coloration under different lighting conditions, especially in sunlight or LED setups. Hobbyists and breeders often appreciate Wakasagi for its balance between traditional aesthetics and modern breeding goals. Origin and Development Breeder: Mr. Yukio Ōba (大場 幸雄), affiliated with Medaka no Yakata Year of Release: 2021 Lineage: Selectively bred from Seiryū Kiryū Taigaikō (清流きりゅう体外光) Key Difference: Developed using normal-scaled offspring to enhance traits like lamé and fin glow Concept: Emulates the beauty of Wakasagi with stabilized shine and high fixation rate 🔗 View original strain profile (Japanese): medakazukan.net – ワカサギメダカ Breeding Notes Prioritize fish with strong dorsal shine and clear internal black pigmentation Lamé scales and glowing fins should be selected and bred forward This line has a relatively high fixation rate, suitable even for intermediate breeders Wakasagi Medaka are ideal for those looking to introduce a serene and visually striking strain to their breeding group 📘 See Also: Medaka Egg Hatching Time | Lifespan of Medaka 🐟 Interested in owning this beautiful strain? Visit our shop page to purchase: Wakasagi Medaka – 1 Pair

Read More »

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