MALE Nothobranchius rachovii, image by Paul Barrow

Nothobranchius rachovii   Ahl, 1926
Synonyms:  Adiniops rachovi
Common Names:  Blue-fin Nothobranchius, Rachow's Nothobranch
Family: Nothobranchiidae
Continent: Africa
Distribution: Mozambique, South Africa
Habitat: Temporary pools
Food: Any live food such as bloodworm, glassworm, brine shrimp and whiteworm - don't feed too much daphnia as the nutritional level is low.
Water Temperature: 20-26°C
Water Chemistry: pH 5.5-7.0
FBAS Size:    Males [45mm]    Females [40mm]
FBAS Class: F
Temperament: aggressive; keep in pair or trios (two females)
Aquarium Size: 25cm or longer
Gender Differences: males are bigger, very colourful and have large fins; females generally brown, sometimes with dark spots.
Breeding: breed readily in aquaria; they are annual fish, needing a layer of peat in which to spawn
Additional Information: Annual fish that lays its eggs in the substrate. Best kept in a 250x200x200mm tank with a 25mm substrate of peat (see peat preparation). Should be kept in pairs or trios (1male, 2 females) as male tend to be very aggressive towards each other. Egg need to dry-out for a period of 3-6 months before wetting. Young feed on Brine Shrimp from hatching.
See: Preparing Peat for the Aquarium, Uses of Aquarium Peat & Killifish Data

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