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  • Source: Copyright

  • Source: Copyright Aqualog

Nannaethiops unitaeniatus (One-Lined African Tetra)

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Superficially similar to the popular glowlight tetra, but larger and more robust. These fish swim close to the substrate and espcially like aquaria with a mix of planted and open water regions. Young fish are active, but adults tend to be rather more placid, and may even root about in the sand or among plants. When kept properly, these fish have an intense copper tone.

Fish information (behaviour and breeding):

A placid, even boring fish, this is a good species for use in community tanks alongside mormyrids, upside-down catfish, and the more peaceful African climbing perch species. Although closely related to Distichodus spp., these fish do not molest plants.

It is not commonly bred in aquaria, though doing so is certainly possible. Soft, acid water is required. Eggs are scattered among plants and stones, and these hatch within 36 hours. The fry become free swimming within the next five days and can be fed small pond foods, finely ground flake, and Liquifry.

Family Group: Characins
Distribution Africa
Temperature 23-26C
Size 6 cm
Water Parameters Prefers soft slightly acidic water, but should adapt to most conditions as long as extremes are avoided.
Water PH 6.5-7.5

Useful sources of information:

For a well illustrated and detailed reference guide on this and many other fish, consider the Baensch Aquarium Atlases. Volume 1 contains all the common species, and later volumes cover more unusual species. You can buy these books here.