The Tiger Medaka, or Tora Medaka (Oryzias latipes), is a striking ornamental variety of Japanese rice fish known for its bold black striping and vibrant body colour. Selectively bred for its unique tiger-like pattern, this medaka stands out in both natural and decorative aquascapes. Hardy, peaceful, and surface-oriented, the Tiger Medaka thrives in small groups and adapts well to indoor aquariums or outdoor tubs. Its active nature and distinctive appearance make it a prized addition to any nano or biotope setup.
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Grows up to 3.5 cm in length
Golden or orange body with bold black vertical striping
Peaceful, shoaling behavior; best kept in groups of 6 or more
Hardy and adaptable to a wide range of water parameters
Lifespan of 2 to 4 years
Exhibits surface-oriented swimming and breeding behavior
A tank of 20 litres or more is sufficient for a small group of Tiger Medaka - Tora. While they tolerate confined spaces well, providing a longer horizontal swimming area enhances natural behavior and coloration. Outdoor tubs and ponds are also suitable in mild climates.
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These medaka are peaceful and do best with similarly small, non-aggressive species. Suitable tank mates include:
Tiger Medaka - Tora are omnivorous and benefit from a varied diet. Feed high-quality micro pellets, crushed flakes, and occasional live or frozen foods such as baby brine shrimp, daphnia, and microworms. Multiple small feedings per day help support growth and vibrant coloration.
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Use a sponge or gentle internal filter to maintain clean water without creating excessive flow. These fish prefer calm surface conditions.
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Live plants such as Java Moss, Hornwort, and Floating Ferns provide cover and enhance breeding. Dense planting also reduces stress.
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Moderate lighting highlights their pearlescent tones and supports plant growth. Avoid overly intense lighting.
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Maintain water temperature between 20–26°C. A heater is recommended in cooler climates, especially during winter.
Fine sand or smooth gravel is ideal. While they spend most of their time near the surface, a natural substrate enhances biological filtration.
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Include gentle decorations like driftwood, moss-covered stones, and floating plants. Avoid sharp edges and maintain open swimming areas near the top.
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