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Nannostomus trifasciatus
Nannostomus trifasciatus, Steindacher, 1876

Origin: Brazil

Etymology: Trifasciatus refers to the three horizontal stripes on the body.

Synonyms: Poecilobrycon vittatus, Poecilobrycon auratus, Poecilobrycon trifasciatus, Nannostomus trilineatus.

First European import: Germany, 1912, by W. Eimeke.

Description: see pictures.

Care: The fish require medium sized to large tanks, slightly acidic soft peat filtered water, and very frequent waterchanges, as the fish are very sensitive to nitrate! This, combined with the fact that the animals only feed in the morning and the evening, and that they are easily repressed by the presence of more lively fish, means that they can only be kept in species tanks, or with very quiet peacefull fish(Discus or similar). Lots of hiding places, especially larges pieces of driftwood, and densely planted areas. In such a tank a school of minimal 6 or more animals can be kept, and you can usually see them standing between plants in shaded areas, showing really nice bright colors.

Temperature: 24-28 degrees.

Feeding:Small live and flake food, which should be fed in the evening.

Size:Up to 5.5 cm.

pH: 6.0-7.0

Breeding: If kept as described in the care section, a pair in a 60 cm tank will spawn. It's not advisable to try groups spawning, since the eggs of two fish spawning will be eaten immediately by the other fish and the parents themselves. Baensch and Riehl(1982) report that feeding black mosquito larvae will often induce eggs in females. Other food that can attribute to this are Drosophila, enchytraea and grindal worms. A few 100 tiny eggs can be laid by a female, which will hatch in 24 hours, and be free swimming after 2-3 days. Fry should be fed infusoria, if not fed and kept(waterchanges) well the fry will grow extremely slow.

Sexual dimorphism: Males have slightly brighter colors.

Prices:Ntherlands: 2-2.5€

Additional: Old and lousy picture, I know :-(

Picture references:Picture 1 : E. Naus.

References:Baensch, H. A., Riehl, R.(1982): Aquarien Atlas I. Mergus Verlag, Melle, Germany.

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