Redtail Rasbora

The Redtail Rasbora is a lively and elegant freshwater fish admired for its silvery body highlighted by a distinct dark lateral stripe and a vibrant reddish-orange tail. Closely related to the Yellowtail Rasbora, this variant stands out due to its warmer tail coloration. Native to Southeast Asia, it is a hardy, fast-swimming schooling fish that brings movement and subtle color to community aquariums.  

Redtail Rasbora (Rasbora borapetensis – Red Tail Variant) – Complete Care Guide Description The Redtail Rasbora is a lively and elegant freshwater fish admired for its silvery body highlighted by a distinct dark lateral stripe and a vibrant reddish-orange tail. Closely related to the Yellowtail Rasbora, this variant stands out due to its warmer tail coloration. Native to Southeast Asia, it is a hardy, fast-swimming schooling fish that brings movement and subtle color to community aquariums. Water Parameters Stable, clean water ensures optimal health: Temperature: 22–28°C (72–82°F) pH: 6.0–7.5 Hardness: 2–12 dGH Tank Size: Minimum 60–80 liters (15–20 gallons) Water Flow: Gentle to moderate Water Changes: 20–30% weekly Care & Maintenance Redtail Rasboras are hardy and beginner-friendly: Keep in groups of at least 6–10 for natural schooling behavior. Provide a planted aquarium with open swimming areas. Maintain stable water parameters and good filtration. Use moderate lighting to highlight their coloration. Feed a varied diet: flakes, micro pellets, and live/frozen foods (daphnia, brine shrimp). Avoid strong currents. Behaviour & Temperament Peaceful and active schooling fish. Constant swimmers, mainly in mid to upper levels. Non-aggressive and ideal for community setups. Can be shy or stressed if kept in small groups. Displays best color and behavior in larger schools. Compatibility Excellent for peaceful community aquariums. Compatible with a wide range of small, calm fish. Avoid aggressive or highly territorial species. Suitable Tank Mates Tetras (Neon, Cardinal, Ember) Other rasboras Corydoras catfish Small gouramis Dwarf cichlids (Apistogramma, Rams) Pencilfish Tank Mates to Avoid Aggressive cichlids Large predatory fish Fin-nipping species Very boisterous or hyperactive fish Fish with incompatible water parameters Pro Tips Keep in larger schools for better color and reduced stress. Provide ample swimming space due to their active nature. Maintain consistent water quality. Add plants and décor to replicate natural habitat. Feed a balanced and varied diet. Use a secure lid—they may jump occasionally. Summary The Redtail Rasbora is a peaceful, hardy, and active fish that enhances community aquariums with its subtle beauty and constant movement. With proper group size, stable conditions, and compatible tank mates, it thrives and creates a lively aquatic display.