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Orochi Real Long Fin Medaka (オロチリアルロングフィンメダカ)
*A deep-black beauty with flowing elegance
Overview
The Orochi Real Long Fin Medaka (オロチリアルロングフィンメダカ) is an extraordinary ornamental fish that fuses the signature jet-black coloration of the original Orochi Medaka with the majestic movement of the Real Long Fin trait. With its dark, unchanging hue and graceful fin extensions, it’s a standout in both ponds and aquariums.
Origin and Development
Originally developed from the Orochi Medaka (オロチメダカ) — a line introduced in 2016 for its unrivaled black coloration — this variant has been selectively bred to inherit the Real Long Fin (リアルロングフィン) trait. Unlike standard long-fin types that often feature asymmetrical or drooping fins, Real Long Fin medaka exhibit symmetrical, structured, and elegant fin extensions. This makes them visually balanced and highly prized for top-view appreciation.
According to breeder commentary from Medaka no Yakata, this line was produced with a focus on maintaining both coloration and fin quality, and should not be confused with varieties such as “Yamata no Orochi,” which includes swallow-type fin variation.
Key Features
- Jet-Black Body
Inherits the iconic dark pigmentation of the Orochi line. This black does not fade even in light-colored containers. - Real Long Fin Structure
All fins — dorsal, anal, caudal, and pectoral — extend to 1.5× or more their normal length. Importantly, these fins remain symmetrical and non-drooping, contributing to a well-balanced aesthetic. - Visual Elegance in Motion
The Real Long Fin movement enhances the majestic impression of this medaka, especially when viewed from above.
Breeding Notes
This strain requires precise selection for both fin symmetry and color fixation.
As noted by breeders, even among long-fin offspring, quality varies — only a portion exhibit the ideal “real long fin” structure, and others may revert to standard fin length or lack color intensity. Therefore, line breeding and culling are essential in maintaining high standards.
Care Recommendations
- Observation:
Ideal for shallow, top-view bowls or ponds to highlight body color and fin extension. - Container Tips:
White or light-colored tubs create excellent contrast with the dark body, enhancing visibility. - Feeding:
A protein-rich, balanced diet will support strong fin growth and vitality.
Conclusion
The Orochi Real Long Fin Medaka is a beautiful example of medaka refinement — blending the mysterious charm of black coloration with the soft elegance of extended fins. It offers medaka enthusiasts both visual drama and genetic fascination, making it an ideal specimen for hobbyists focused on top-view perfection.
Sources / 出典
