Medaka Encyclopedia

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 medaka that unites spiritual brightness with reflective brilliance. This strain inherits its core traits from the celebrated Raikō (来光) lineage, first developed by Japanese breeder Yoshimasa Fukagawa in 2018. Over time, breeders have further refined this line to express a “Kagami Uroko” (mirror-scale) trait, resulting in mesmerizing medaka that glow like morning sunlight dancing on water.  Overview The original Raikō strain features a vivid vermilion-orange body with transparent scales and subtle black edging (ブラックリム). In this evolved form, the mirror-like quality of the scales is enhanced to create dazzling reflections. The result is a medaka that feels both ancient and modern — spiritual and ornamental. The name "Raikō" itself refers to the first light of day seen from sacred mountain peaks, and this medaka carries that same mystique into your tank or pond. While many medaka fade under certain lighting, Raikō Kagami Uroko thrives in the sun. Its finely polished scales reflect light in a way that elevates its already rich coloration. This strain is ideal for those who appreciate refined Japanese aesthetics in aquatic life.  Key Features Body Color: Radiant vermilion-orange based on the Raikō bloodline Scale Expression: Transparent scales (透明鱗) with dark edges and reflective “Kagami” finish Visual Appeal: Elegant mirror-scale shimmer under direct light; ideal for minimalist and spiritual-style setups Lineage: Based on the Raikō Medaka created by Yoshimasa Fukagawa; Kagami Uroko expression developed through selective refinement  Visual Impact When placed in white or blue tubs, the reflective quality of Raikō Kagami Uroko Medaka becomes especially vivid. The combination of glowing orange hues and mirror-like scales provides a high-contrast effect that’s deeply calming yet visually arresting. Viewed as a group, these medaka create a rhythmic shimmer with every movement, resembling sunlight breaking through morning mist. Their name and expression pay homage to both tradition and evolution in Japanese medaka breeding.  Conclusion Raikō Kagami Uroko Medaka (来光カガミ鱗メダカ) brings a sacred glow and reflective depth to the world of ornamental medaka. Whether you’re a seasoned collector or an admirer of Japanese artistry, this strain is a luminous addition to any medaka collection. ※ Original Raikō strain developed by: Yoshimasa Fukagawa (Japan)※ Kagami Uroko expression refined through line breeding after 2018※ Based on breeder records, lighting observation, and historical references.※ Photos provided by Medaka no Yakata. Unauthorized use or redistribution is prohibited.