Shiro Hikari (White Hikari)
Shiro Hikari combines a pure white body with the Hikari body type's characteristic light-emitting lines along the back and belly, giving it an elegant, refined beauty. Its silvery-white shimmer stands out especially well when kept in a group, where the glow becomes even more striking. Calm in temperament and easy to keep alongside other medaka, it's a hardy variety that's simple to care for, making it a reassuring choice for anyone just starting out with medaka.
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Shiro Hikari (White Hikari) key facts
- Care level
- Beginner-friendly
- Lifespan
- 2-3 years
- Size
- 3-4cm
- Temperature
- 5〜30℃
- Diet
- Medaka pellets, daphnia
- Container
- Top-viewing container to appreciate white and external light
- Temperature
- 5-30°C (optimal 20-28°C)
- Sunlight
- Moderate sunlight enhances external light display
- Breeding
- Breed hikari x hikari to improve light quality
- Notes
- Use dark containers — fish blends into white containers
About Shiro Hikari (White Hikari)
Shiro Hikari is a medaka variety with a pure white body and shimmering Hikari-type light lines. Hardy and easy to keep, it's a great choice for beginners.
7 things to know before welcoming a Shiro Hikari (White Hikari)
1The Glow Develops Over Time
The signature shimmer of Shiro Hikari is subtle in fry and becomes more visible as the fish matures. If you bring home a young individual, enjoy watching the glow develop over time as part of the experience.
2Sensitive to Water Changes
Although hardy, this variety can be stressed by sudden changes in water quality or temperature. When changing water, replace it gradually rather than all at once to minimize the difference between old and new water.
3Consider Tankmate Coloring
To highlight the beauty of Shiro Hikari, pairing it with dark-colored substrate or calmly colored tankmates is recommended. This creates clear contrast that makes the shimmer stand out even more.
4Suited to Outdoor Keeping
Thanks to its hardiness, this variety also adapts well to outdoor keeping in water lily pots or biotopes. However, its white coloring can make it more visible to predators like birds, so netting or other protective measures are recommended.
5Preparing the Tank Environment
Before bringing your fish home, let the tank cycle for several days to stabilize the water quality. Avoiding sudden environmental changes is the first step toward raising healthy medaka.
6Seasonal Activity Changes
Activity and appetite tend to decrease as water temperatures drop. Adjust feeding amounts seasonally to prevent leftover food from degrading water quality.
7Space Considerations
At just 3-4cm as adults, they're easy to keep even in small tanks or containers. That said, overcrowding can quickly degrade water quality, so choose a container size appropriate for the number of fish.
Frequently asked questions about Shiro Hikari (White Hikari)
- Q.Can beginners keep Shiro Hikari?
- A.Yes, this variety is considered suitable for beginners thanks to its hardiness and easy care requirements. With regular water changes and feeding, it's a good choice for first-time medaka keepers.
- Q.How long does Shiro Hikari live?
- A.The typical lifespan is around 2-3 years. Individual longevity can vary depending on daily care, including water quality management and temperature stability.
- Q.How large does it grow?
- A.Adults typically reach about 3-4cm, making them a compact variety that's easy to house in small tanks or biotopes.
- Q.Is it subject to CITES regulations?
- A.Shiro Hikari is not subject to CITES. You can consider keeping it without concerns related to international trade regulations.
- Q.What makes Shiro Hikari special?
- A.Its greatest appeal is the elegant beauty created by combining a pure white body with light-emitting lines along the back and belly. Keeping them in a group makes the silvery-white shimmer even more striking.
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