

Bring a touch of the exotic to your aquarium with the Madagascar Rainbowfish, a captivating species known for its shimmering silver body, accented by a bold black lateral stripe and vibrant red-tipped fins. Endemic to the pristine streams of eastern Madagascar, this peaceful and active schooling fish adds both movement and elegance to any freshwater setup. Ideal for aquarists seeking a unique and visually striking addition, the Madagascar Rainbowfish thrives in well-maintained community tanks.
Scientific Name: Bedotia madagascariensis
Common Name: Madagascar Rainbowfish
Size: Up to 10–15 cm (4–6 inches)
Lifespan: 3–5 years with proper care
Temperament: Peaceful and social; best kept in groups of 6 or more
Diet: Omnivorous; enjoys a varied diet of high-quality flake food, pellets, and occasional live or frozen foods like brine shrimp and bloodworms
Water Parameters:
Temperature: 22–26°C (72–79°F)
pH Level: 6.5–7.5
Hardness: Soft to moderately hard (55–250 ppm)
Minimum Tank Size: 110 liters (30 gallons) for a small group.
Striking Appearance: Their iridescent bodies and contrasting fin colors make them a standout addition to any aquarium.
Active Swimmers: Known for their lively schooling behavior, adding dynamic movement to the tank.
Peaceful Nature: Coexists harmoniously with other non-aggressive species.
Hardy and Adaptable: Thrives in a range of water conditions, making them suitable for various setups.
Conservation Significance: Keeping and breeding this species supports conservation efforts, as they are vulnerable in the wild due to habitat loss.
Substrate: Fine sand or smooth gravel to mimic natural habitats.
Decor: Incorporate driftwood, rocks, and live plants like Java Fern and Anubias to provide hiding spots and establish territories.
Filtration: Efficient filtration with gentle water flow to maintain water quality without stressing the fish.
Lighting: Moderate lighting to enhance their natural colors.
Tank Cover: A secure lid is recommended, as they can be occasional jumpers.
Madagascar Rainbowfish thrive in peaceful community tanks. Suitable companions include:
Corydoras Catfish
Danios
Avoid housing with larger or aggressive fish that may view them as prey.
Staple Diet: High-quality flake food or pellets formulated for omnivorous fish.
Supplementary Foods: Live or frozen foods such as brine shrimp, daphnia, and bloodworms to enhance coloration and breeding readiness.
Vegetables: Blanched spinach, zucchini, and cucumber can be offered as occasional treats.
Feeding Frequency: Feed 2–3 times daily in small amounts to prevent overfeeding and maintain water quality.
Madagascar Rainbowfish are egg scatterers,and breeding them in captivity can be a rewarding experience. To encourage successful breeding:
Maintain Optimal Conditions: Keep water parameters stable and within the recommended ranges.
Provide Spawning Sites: Use fine-leaved plants or spawning mops where females can lay eggs.
Separate Fry: Consider moving fry to a separate rearing tank to increase survival rates.
Feeding Fry: Start with infusoria or commercially available liquid fry foods, transitioning to newly hatched brine shrimp as they grow.
Can Madagascar Rainbowfish live in a community tank?
Yes, they coexist peacefully with other small, non-aggressive species in a well-planned community tank.
Do they require a heater?
Maintaining a stable temperature between 22–26°C (72–79°F) is essential; a heater may be necessary depending on ambient room temperature.
Are they suitable for beginners?
Absolutely! Their hardy nature and adaptability make them ideal for novice aquarists.
How can I enhance their coloration?
A varied diet rich in high-quality foods, maintaining pristine water conditions, and providing a stress-free environment can help accentuate their vibrant colors.
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