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Satan Medaka – サタンメダカ
A dark angel unfurling its wings in shimmering shadow
Physical Characteristics
The Satan Medaka is a dramatic and captivating ornamental medaka variety known for its rich black coloration and gracefully elongated fins. Its visual impact comes not just from its darkness, but from the mysterious, almost mythical energy it exudes—like a fallen angel gliding through water.
- Body Color: Deep, matte black inherited from the Orochi Medaka lineage
- Fin Shape: Features long, trailing fins derived from the Matsui Hirenaga (松井ヒレ長) lineage. The delicate tapering of these fins creates an ethereal silhouette that resembles spreading wings
- Scale Type: Standard opaque scales, giving it a bold and solid appearance
- Visual Effect: The fish’s movement is fluid and spectral, its lamé-free body emphasizing elegance through form rather than glitter
Container and Viewing Style
- Even in white containers—where many dark-colored medaka fade due to background adaptation—the Satan Medaka retains its jet-black tone. This stable pigmentation distinguishes it from most other black strains
- The best appreciation comes from a side-view aquarium, where the dramatic fin shape and flowing movement are fully visible. The dark body paired with long fins creates a mystical, almost theatrical presence
- The appearance of the fins has been compared to smoke from ceremonial flames or a shadowy figure unfurling its wings, heightening the symbolic power behind its name
Origin and Development
- Year of Introduction: January 2017
- Breeder (作出者): Medaka no Beans (めだかのビーンズ, Ehime Prefecture, Japan)
The Satan Medaka was created by crossing the Orochi Medaka, famous for its consistent black body color, with the elegant Tennyo no Mai (天女の舞) line—a long-fin medaka type. The name “Satan” was chosen to reflect its contrasting lineage: a fusion of angelic elegance and dark intensity, as if a celestial being had fallen and been reborn with black wings.
Breeding Notes
- Fixation Rate: Generally high; offspring inherit both dark pigmentation and long-fin traits, though occasional refinement may be needed for ideal body balance and fin symmetry
- Background Adaptation: Unlike many black medaka, the Satan Medaka resists background fading, maintaining its full black coloration even in bright or light-colored environments
- Selective Breeding Tips: Breeders should focus on dorsal and anal fin shape, as well as consistent deep color across the entire body
Conclusion
The Satan Medaka is more than a medaka—it’s a living piece of visual poetry. Its bold darkness, flowing fins, and symbolic naming evoke strong emotion and admiration from collectors. Whether viewed as a symbol of mystery, transformation, or elegance in shadow, it is a standout variety that captures attention and imagination. With strong fixation and distinctive appeal, the Satan Medaka remains a true gem among dark-bodied strains.
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