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Rummy Nose Rasbora
Sawbwa resplendens
Animalia›Chordata›Actinopterygii
📍 Southeast Asia
Despite its common name, this is not a true rasbora but a distinctive small cyprinid from Myanmar, with males displaying a bright red snout contrasting a steel-blue body and red caudal fin markings. It prefers soft, slightly acidic water in a well-planted nano tank and does best in groups of 8+, where its colors are most vivid.
Care Guide
Diet
Rummy Nose Rasboras are omnivorous and prefer small, high-quality foods. Feed them a varied diet of micro pellets, high-quality flake food, and small frozen foods like brine shrimp, daphnia, and bloodworms once daily in small portions. Supplement occasionally with blanched vegetables like spinach to support their vibrant coloration.
Behavior
These are active, schooling fish that display their best colors and behavior when kept in groups of 8 or more. They are peaceful and occupy the top to mid-water column, constantly foraging and interacting with their school. Males are more colorful and may display subtle dominance behaviors within the group, but aggression is minimal.
Breeding
Breeding in captivity is difficult and rarely achieved in home aquariums. They require very soft, acidic water (pH 5.5-6.5), dense vegetation, and pristine water conditions to trigger spawning. Fry are extremely small and require infusoria or liquid fry food; most hobbyists find breeding impractical without specialized setups.
Tank Mates
Similar size and peaceful temperament; both prefer soft, slightly acidic water and planted tanks
Comparable size, peaceful schooling fish with similar water parameter requirements
Small, peaceful invertebrates that thrive in soft water; may be predated on if very small
Foreground plant that provides shelter and natural habitat structure they prefer
Dense vegetation provides security and mimics their natural biotope environment
Peaceful dwarf cichlid with overlapping water parameters; may occasionally chase but generally compatible
Common Diseases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, flashing against objects, rapid breathing, lethargy
Raise temperature gradually to 28-30°C, perform daily 25% water changes, use ich medication or salt treatment; maintain excellent water quality
Fin Rot
Frayed or deteriorating fin edges, discoloration at fin bases, lethargy
Perform frequent water changes, improve water quality, use antibacterial medication if severe; ensure adequate filtration and avoid overcrowding
Bacterial Infection
Loss of color, torn fins, open sores, cloudy eyes, behavioral changes
Isolate affected fish, perform daily water changes, use broad-spectrum antibiotic medication; maintain pristine water conditions
Stress-Related Decline
Fading coloration, loss of appetite, hiding, erratic swimming, reduced schooling behavior
Ensure group size of 8+, maintain stable soft acidic water, provide dense vegetation, minimize tank disturbances, perform regular water changes
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Water it likes
- ph
- 7.0–8.0
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- temperature
- 68–75°F (20–24°C)