Celestial killifish
Aphyosemion coeleste
Family : Nothobranchiidae
Aphyosemion coeleste is a small, brightly colored killifish highly prized by specialized aquarists. It is distinguished by its sky-blue body dotted with red spots.
Description
This killifish reaches about 4–5 cm. Males display an intense electric blue with red spots on the flanks and caudal fin. Females are duller, brownish with a few spots. It is a peaceful species but males can be territorial with each other. In the aquarium, it prefers soft, acidic water with dense vegetation and subdued lighting. It reproduces by laying eggs on a substrate (Java moss or peat fibers). The eggs require a drying period to hatch (incubation 3–6 weeks).
Habitat
Region :
Small forest streams and swamps, often acidic and heavily vegetated.
Distribution :
Recommended parameters
Care
Care notes
Keep soft water (GH 2–6, KH 1–3) and acidic (pH 6.0–6.8) at a temperature of 22–26°C. A minimum tank volume of 30 liters is recommended for a pair. Feed a varied diet: brine shrimp, daphnia, bloodworms, and small pellets. Avoid strong currents. Use gentle filtration (sponge or foam). Floating plants and hiding spots are appreciated. Sensitive to nitrates (max 20 mg/L). Regular water changes (20% weekly). Compatible with other small peaceful fish (rasboras, small corydoras).
Similar species
Espèces proches, même habitat ou même maintenance


