Description
Swordtail Koi Red and White (Kohaku) is a highly attractive freshwater livebearer, inspired by the classic colouration of Kohaku koi. Featuring a crisp white base accented with vibrant red patches, this variety brings bold contrast and refined beauty to any community aquarium. Combined with the signature sword extension on the male’s tail, this fish offers both elegance and constant activity, making it a popular choice for aquarists seeking colour and movement.
Features of Swordtail Koi Red and White (Kohaku)
• Striking red and white Kohaku-style pattern
• Males display a pronounced sword-like tail extension
• Grows to approximately 10–12 cm
• Peaceful temperament ideal for community tanks
• Lifespan of 3–5 years with proper care
The best aquarium size for Swordtail Koi Red and White (Kohaku)
A minimum aquarium size of 80 litres is recommended for a small group. For best results, a 100 litre or larger aquarium provides ample swimming space and supports stable water conditions. Maintaining a ratio of one male to two or more females helps reduce stress and unwanted aggression.
Tank Mate Compatibility for Swordtail Koi Red and White (Kohaku)
• Guppy
• Platy
• Molly
• Neon Tetra
• Corydoras Catfish
Diet for Swordtail Koi Red and White (Kohaku)
Swordtail Koi Red and White (Kohaku) is an omnivore that benefits from a varied and balanced diet. Offer high-quality flake or small pellet foods as a staple, supplemented with frozen or live foods such as brine shrimp, daphnia, and bloodworms. Incorporating plant-based foods like spirulina flakes or blanched vegetables supports digestion and colour vibrancy. Feed once or twice daily in controlled portions.
Aquarium Setup Swordtail Koi Red and White (Kohaku)
Aquarium Filtration
Moderate filtration is sufficient. A quality internal filter or hang-on-back system will maintain water clarity and biological stability.
Aquarium Plants
Live plants are strongly recommended. Hardy species such as Java fern, Anubias, and Vallisneria provide cover and enhance the natural environment.
Aquarium Lighting
Moderate LED lighting is ideal, helping to enhance colouration while supporting plant growth.
Aquarium Heating
Maintain a stable temperature between 22–26°C using a reliable aquarium heater.
Aquarium Substrate
Fine gravel or sand substrate is suitable, promoting plant growth and providing a natural look.
Aquarium Decorations
Incorporate driftwood, rocks, and dense planting areas to provide shelter while retaining open swimming zones.
Water Parameters
Maintain pH between 7.0–8.0 and hardness between 8–20 dGH. Perform regular weekly water changes of 20–25% to ensure optimal water quality and long-term health.
