A medaka with pure white body giving a clean impression. One of the most widely distributed basic varieties.
Shiro medaka is a white-body variety originating from a natural mutation in wild medaka that reduces melanin pigmentation, and is one of the foundational improved medaka varieties with a history stretching back to the Edo period. It remains one of the most widely distributed basic varieties today. Pure white coloration gives a clean, cool impression. Extremely hardy and disease-resistant, adapting to 5–30°C and neutral to slightly alkaline water — ideal for beginners. Easy to breed with high juvenile survival rates. Peaceful and community-friendly. Available everywhere from home improvement stores to specialty aquatic shops, and widely used as a parent in improved medaka breeding.
Origin
Japan
Lifespan
2-4 years
Size
2-4cm
Temperature
5〜30℃（適温20〜28℃）
Artificial feed, Daphnia
非常に丈夫で飼いやすい
どこでも入手できる定番品種
他品種の基礎としても使われる
白い容器だと目立たないので注意
ビオトープでの飼育に最適
Beginner. This is a beginner-friendly species. No special equipment or experience is required, and it can be kept successfully with basic care setup.
The ideal temperature for White Medaka is 5〜30℃（適温20〜28℃）. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of White Medaka is 2-4 years. With proper care and nutrition, they can live a long and healthy life.
White Medaka typically reaches 2-4cm as an adult. Size may vary depending on care conditions and individual genetics.
White Medaka feeds on: Artificial feed, Daphnia. Aim for a balanced diet with appropriate feeding frequency.
The price of White Medaka varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Find listings for this species
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