Black Diamond Medaka (ブラックダイヤメダカ)

Physical Characteristics

The Black Diamond Medaka is known for its deep, jet-black body and shimmering lamé (metallic) scales. The black pigmentation—derived from the Orochi strain—remains intense even in white containers or glass tanks, showing no signs of fading.

The lamé scales scattered across the body give off a bluish-purple sheen, creating a striking contrast with the dark body. This captivating combination is what earned it the name Black Diamond.

Breeding and Maintenance

The strain was created in 2020 by crossing Orochi Medaka with lamé-type strains such as Seiga and Ao Lamé Miyuki.

While the line is relatively genetically stable, some trends may appear:

• Fish with darker pigmentation may show fewer lamé scales.
• Fish with more pronounced lamé may have slightly lighter bodies.

Selective breeding is key to achieving ideal specimens that carry both strong color and high lamé density.

Standard medaka care applies: clean water, sunlight or proper lighting, and quality food will help maintain both color and shine.

Breeder Information

The Black Diamond Medaka was developed in 2020 by Medakaya Kokurin (メダカ屋黒鱗), a Japanese medaka breeder known for producing high-quality, visually striking strains. Their goal with this line was to create a medaka with strong black tones and dazzling lamé brilliance.

Conclusion

With its rich black body and radiant metallic shimmer, the Black Diamond Medaka is both elegant and bold. It has become a highly desirable variety among medaka enthusiasts and adds a powerful visual presence to any collection or pond.

Image and translation courtesy of: https://medakazukan.net/0132_blackdia/