All fish / Nothobranchiidae

Jubb's Nothobranch

Nothobranchius jubbi

Also known as jubbi killifish, jubb's killifish, nothobranchius jubbi, jubbi notho, ノソブランキウス・ジュッビ, 朱比假鳃鳉

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Males have pale blue scales edged in red, giving a netted look, and red tails often with a dark edge, while females are plain brown. It is an annual killifish from seasonal pools, kept by killifish hobbyists for its bright colours and unusual life cycle.

Care at a glance

Care level

Moderate

Temperament

Semi

Adult size

5 cm

Temperature

22 to 26 °C

pH

6.5 to 7.5

Smallest tank

20 litres

Keep as

One male with two or three females

Diet

Carnivore: live and frozen bloodworm, daphnia, brine shrimp and mosquito larvae

Swims

Middle of the tank

Lifespan

1 year

Water

Freshwater

Wild range

Coastal Kenya and southern Somalia (lower Tana and Juba river floodplains)

Breeding

Pairs spawn into a soft peat substrate, and the eggs are then stored slightly damp for several months before wetting to hatch. It is not difficult for those used to annual killifish, but the drying stage needs patience and care.

Good to know

Males are rough with each other and with females, so give cover and avoid housing several males in a small tank. Lifespan is short by nature, so keep breeding going to maintain a line.