Description General Information Scientific Name: Celestichthys erythromicron Common Names: Emerald Dwarf Rasbora, Emerald Rasbora, Microrasbora erythromicron Family: Danionidae Origin: Inle Lake, Myanmar (Burma) Size: 1.0 to 1.5 inches (2.5–3.5 cm) Lifespan: 3 to 5 years Appearance Body Color: Metallic greenish-blue with orange or red vertical bars. Fins: Transparent to reddish-orange, with some having dark edges. Eyes: Large relative to body size, adding to their charm. Tank Requirements Minimum Tank Size: 10 gallons (best in larger tanks for groups) Water Temperature: 68–76°F (20–24°C) pH Range: 6.5–7.5 Hardness: 2–10 dGH (soft to moderately hard water) Substrate: Fine sand or gravel, with plenty of plants and hiding spots. Tank Setup: Dense vegetation, low to moderate lighting, gentle filtration. Behavior and Compatibility Temperament: Peaceful but shy. Schooling: Best kept in groups of 6 or more. Tankmates: Other small, peaceful fish like chili rasboras, celestial pearl danios, pygmy corydoras, and shrimp. Avoid large or aggressive fish. Diet Type: Omnivore Preferred Food: High-quality micro pellets, flakes, frozen or live foods (such as daphnia, baby brine shrimp, and microworms). Feeding Frequency: 2–3 times per day in small amounts. Breeding Difficulty: Moderate Breeding Setup: Separate breeding tank with soft, slightly acidic water. Egg-Laying: Scatters eggs among fine-leaved plants. Parental Care: No parental care; eggs may be eaten by adults. Fry Care: Feed infusoria or powdered fry food until large enough for baby brine shrimp. Special Considerations Prefers well-oxygenated water with stable conditions. Can be shy; benefits from a densely planted environment. Sensitive to water quality; regular maintenance is essential.
