The Hikari® Medaka No-Mai™ Breeding Efficiency Formula is a high-performance, scientifically balanced floating pellet diet designed for Japanese Rice Fish (Medaka) and adult Killifish. Perfect for beginner aquarists, this formula supports breeding efficiency, color vibrancy, and digestive health, helping your fish thrive in a freshwater environment.
💧 Key Features
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Breeding Efficiency Formula – Fortified with Highly Unsaturated Fatty Acids (HUFA) and phospholipids, improving hatch rates and fertility among breeding pairs.
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Semi-Floating Design – Allows food to spread evenly across the tank surface, ensuring easy access for both males and females.
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Probiotic-Enhanced Nutrition – Contains Hikari-Germ™, a live Bacillus subtilis probiotic that promotes a healthy gut, reduces waste, and supports the immune system.
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High Digestibility – Scientifically balanced nutrients reduce uneaten food and tank pollution.
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Color Enhancing Ingredients – Includes natural color boosters like spirulina and astaxanthin for vivid, healthy coloration.
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Perfect Pellet Size – Designed for efficient utilization by fish larger than 25 mm (~1″).
🧪 Nutritional Composition
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Crude Protein: min. 50.0%
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Crude Fat: min. 11.0%
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Crude Fiber: max. 3.0%
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Moisture: max. 10.0%
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Ash: max. 15.0%
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Phosphorus: min. 1.0%
🌈 Vitamin & Mineral Content
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Vitamin A: 17,000 IU/kg
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Vitamin D₃: 2,600 IU/kg
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Vitamin E: 4,600 IU/kg
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Vitamin C (Stabilized): 9,100 mg/kg
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Probiotic Count: 1.0×10⁹ CFU/g (Bacillus subtilis)
🐠 Feeding Instructions
Feed several times daily in small portions that your fish can consume within a few minutes. Adjust feeding based on water temperature:
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❄️ Cooler or Hotter Conditions: Reduce feeding frequency.
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🐣 For Fry & Juveniles: Supplement with Hikari® Medaka No-Mai™ Baby or Medaka No-Mai™ Next formulas.
⚠️ Storage Instructions
Keep tightly sealed and store in a cool, dry place, away from direct sunlight, humidity, and heat to maintain freshness and potency.
Use before the best-before date for guaranteed nutritional quality.
🏷️ Ingredients
Krill meal, fish meal, cuttlefish meal, dried egg powder, brewers dried yeast, fish oil, wheat gluten meal, potato starch, spirulina, soybean meal, seaweed meal, lecithin, yeast extract, DL-methionine, taurine, astaxanthin, garlic, choline chloride, vitamins (A, C, D₃, E, B-complex), trace minerals, and Bacillus subtilis fermentation product.
🌍 Ideal For
✅ Medaka (Japanese Rice Fish)
✅ Adult Killifish
✅ Small Freshwater Tropical Fish
✅ Breeding & Color Maintenance Tanks
🪶 Because We Care
Every batch of Hikari® food is crafted in Japan under strict quality control. Using it exclusively as directed ensures optimal fish health, brilliant coloration, and reduced aquarium waste.




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