Furzer's killifish
Nothobranchius furzeri
Males reach 5–7 cm and display a bright blue body with red spots, a red caudal fin, and blue dorsal and anal fins edged in red. Females are brown-gray. This is an annual species: eggs resist drought. In the aquarium, it prefers very soft, acidic water, temperature 25–30°C. It is very active and colorful, but males are aggressive with each other. Reproduction requires a peat substrate and dry incubation of 4–8 months.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 25–30 |
| pH | 6–6.8 |
| GH | 2–5 |
| KH | 1–2 |
| NO₃ | ≤ 15 |
| PO₄ | ≤ 0.5 |
Care
Care notes
Parameters: pH 6.0–6.8, GH 2–5, KH 1–2, temperature 25–30°C. Minimum 50 liters for a pair. Diet: brine shrimp, daphnia, bloodworms, mosquito larvae. Gentle filtration, moderate lighting. Floating plants and hiding spots. Nitrates max 15 mg/L. Weekly 20% water changes. Very sensitive to water quality. Compatible only with other annual killifish or in a species tank. Beware of jumping: cover the tank.