Product Details
Boesemani Rainbows are highly sought after for their dramatic, dual-toned colouration and lively, schooling behaviour. Males develop a striking split-pattern of deep blue on the front and vibrant orange-yellow on the rear as they mature, making them a centrepiece for any community tank. They are generally hardy and adaptable, making them a fantastic choice for intermediate hobbyists looking to add movement and brilliance to their setup.
🐟 Boesemani Rainbow Care Tips
✅ Tank Requirements
• Tank Size: Minimum 150 litres for a small colony to allow for their active swimming style.
• Group Size: 6 or more; they are schooling fish and will be stressed and lose colour if kept alone.
• Substrate: Fine gravel or sand to mimic their natural riverine environment.
• Filtration: Strong, high-quality filtration is essential as they appreciate well-oxygenated, clean water with moderate flow.
🌡️ Water Parameters
• Temperature: 24–28°C (75–82°F)
• pH: 7.0–8.0
• Hardness: 8–15 dGH (they prefer slightly harder, alkaline water)
• TDS: 200–400 ppm
🍽️ Diet
• Omnivorous: They are unfussy eaters that thrive on high-quality flake food, pellets, and frozen foods like brine shrimp or bloodworm.
• Supplement with colour-enhancing pellets and fresh vegetable matter for optimal health and to maintain their intense orange and blue colour.
🧼 Tank Maintenance
• Perform weekly water changes (10–15%) using dechlorinated, temperature-matched water.
• Ensure the tank is well-cycled with robust biological filtration, as these fish can be sensitive to nitrate accumulation.
🤝 Tank Mates
• Peaceful and active; best kept with other community fish like larger tetras, rasboras, or other rainbowfish species.
• Avoid very small, timid fish that may be intimidated by the Boesemani’s energetic swimming style.
🍀 Colour & Health Enhancement
• Lighting: Moderate to bright lighting helps bring out their iridescent scales and distinct colour transition.
• Diet: A mineral-rich, varied diet supports healthy growth and vibrant colour:
- High-quality colour-enhancing flakes or pellets
- Occasional live or frozen protein foods for energy
- Vegetable-based supplements to balance their digestive health


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