Among the many vibrant varieties of medaka, few stand out quite like the Akatora-Toutenko. Revered for its deep red tones and refined appearance, this variety is a stunning example of how selective breeding can elevate natural beauty into an art form. In this blog post, we’ll take a closer look at what makes Akatora-Toutenko special, how it came to be, and how you can care for it properly in your aquarium.
What is Akatora-Toutenko?
Akatora-Toutenko is a premium medaka variety developed in Japan through careful line breeding. The name “Akatora” translates to “Red Tiger,” while “Toutenko” refers to the lineage or line from which this medaka is derived. As the name suggests, this variety boasts vibrant red-orange coloration with sleek, uniform body lines that radiate elegance.
Akatora-Toutenko medaka are often sought after by collectors for their bold coloration, especially when viewed under natural sunlight or clear aquarium lighting, where their scales shimmer with intensity. This line represents not just a fish, but the culmination of years of breeding expertise.
Appearance and Distinct Features
The most striking feature of Akatora-Toutenko is its intense, uniform red body with minimal blotching or fading. This variety typically has:
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Clean, bright red coloration from head to tail
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Sleek, streamlined body with strong fin development
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A slightly metallic sheen under light that adds to its appeal
Some individuals may even display subtle variations depending on genetics and environment, making each fish unique while still retaining the signature Akatora look.
Tank Setup and Environmental Needs
To fully showcase the beauty of Akatora-Toutenko, you’ll want to provide a clean, well-lit, and well-maintained setup that mimics the conditions of its natural and breeding environments.
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Tank Size: Minimum 10 gallons for a small group (5–6 fish)
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Water Temperature: 20°C to 28°C (68°F to 82°F)
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pH Range: 6.8 to 7.5
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Lighting: Use clear, natural-toned lighting to highlight their vibrant red hues
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Substrate & Decor: A dark substrate and green aquatic plants like moss or java fern create the perfect contrast for their colors to pop
Behavior and Compatibility
Akatora-Toutenko medaka are peaceful and social. Like most medaka, they prefer the company of their own kind and thrive in groups.
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Temperament: Calm and non-aggressive
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Tank Mates: Other medaka, small ricefish, peaceful shrimp, and nano community fish
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Avoid: Aggressive or fast-swimming fish that may stress them
Feeding Requirements
Akatora-Toutenko medaka are not fussy eaters but benefit greatly from a high-quality diet to maintain their vivid coloration.
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Feed high-protein micro pellets or flakes formulated for small tropical fish
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Supplement with live or frozen foods such as daphnia, baby brine shrimp, or mosquito larvae
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Feed once or twice a day, only as much as they can consume in 2–3 minutes
Breeding Tips
Breeding Akatora-Toutenko requires attention to water quality and temperature but follows the same general principles as other medaka varieties.
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Provide spawning mops or fine-leafed aquatic plants for egg-laying
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Collect eggs daily to raise fry in a separate container
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Maintain a stable temperature around 24–26°C (75–79°F) for better hatching rates
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Fry can be fed infusoria or powdered food until they’re large enough for baby brine shrimp
Why Collectors Love Akatora-Toutenko
The Akatora-Toutenko isn’t just another medaka—it's a symbol of Japanese breeding excellence. It represents balance, refinement, and visual intensity. Whether you’re a hobbyist or a serious collector, this variety brings prestige and beauty to any aquarium or breeding line.
Final Thoughts
Akatora-Toutenko medaka are more than ornamental fish—they are a visual statement. Their bold colors, calm nature, and manageable care make them a favorite for aquascapers and medaka enthusiasts around the world. With the right environment and attention, your Akatora-Toutenko will thrive and become the fiery centerpiece of your aquatic setup.