Swordtail - Indonesian Flag Lyretail

Swordtail Indonesian Flag Lyretail is a vibrant and elegant freshwater livebearer, prized for its striking tri-colour pattern and flowing lyretail fins. A variation of the classic swordtail, this fish displays a bold combination of red, white, and sometimes black reminiscent of the Indonesian flag, making it a standout addition to community aquariums. Its hardy nature and active swimming behaviour make it suitable for both beginner and experienced aquarists seeking colour and movement.

Features of Swordtail Indonesian Flag Lyretail

• Distinct red, white colouration
• Elegant lyretail fin extension in males
• Grows to approximately 10–12 cm
• Peaceful and community-friendly temperament
• Lifespan of 3–5 years with proper care

The best aquarium size for Swordtail Indonesian Flag Lyretail

A minimum aquarium size of 80 litres is recommended for a small group. Larger tanks of 100 litres or more provide better swimming space and reduce stress, especially when keeping multiple males. These fish are active and benefit from open areas for swimming alongside planted sections for cover.

Tank Mate Compatibility for Swordtail Indonesian Flag Lyretail

• Guppy
• Platy
• Molly
• Zebra Danio
• Corydoras Catfish

Diet for Swordtail Indonesian Flag Lyretail

Swordtail Indonesian Flag Lyretail is an omnivore that thrives on a varied diet. High-quality flake or micro pellet foods should form the staple, supplemented with live or frozen foods such as brine shrimp, daphnia, and bloodworms. Include plant-based options like spirulina flakes or blanched vegetables to support overall health. Feed 1–2 times daily in small portions.

Aquarium Setup Swordtail Indonesian Flag Lyretail

Aquarium Filtration

Moderate filtration is sufficient, with a reliable internal filter or hang-on-back system maintaining clean and stable water conditions.

Aquarium Plants

Live plants are highly recommended. Species such as Java fern, Vallisneria, and floating plants provide shelter and enhance natural behaviour.

Aquarium Lighting

Moderate lighting supports plant growth and highlights the fish’s vivid colours. LED lighting systems are ideal for efficiency and control.

Aquarium Heating

Maintain water temperature between 22–26°C using a dependable aquarium heater to ensure stability.

Aquarium Substrate

Fine gravel or sand substrate works well, supporting plant growth and creating a natural aesthetic.

Aquarium Decorations

Include driftwood, rocks, and planted areas to create hiding spots while preserving open swimming space.

Water Parameters

Maintain pH between 7.0–8.0 and water hardness between 8–20 dGH. Regular weekly water changes of 20–25% help maintain optimal water quality and fish health.