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Hemigrammus hyanuary
Hemigrammus hyanuary, Durbin, 1910

Origin:Brazil, middle and upper Amazonas, also in lake Hyanuary near Manaus.

Etymology: Named after the place it was originally discovered, lake Hyanuary near Manaus, Brazil.

Synonyms: None.

First import: Unknown, B&R report before 1957Hemigrammus hyanuary

Description:See pictures.

Care:Very peacefull undemanding fish, which should be kept in schools, and inhabits the middle region of the tank. Hemigrammus hyanuary is best kept in a tank with a dark soil(boiled peat), and covered sides and back of the tank. Waterconditions slighly acidic to neutral water, which should not be too hard, rich in oxygen, and well filtered(peat filtration is recommended). Some planted regions in the back for the fish to hide in, and floating plants to hide under. Furthermore Hemigrammus hyanuary requires a lot of free swimming space.

Temperature:23-27 dgrees, 24 degrees is the recommended temperature.

Feeding: Omnivorous, all food is accepted.

Size:Up to 4 cm.

pH: 6.0-7.5

Breeding:For breeding Hemigrammus hyanuary extremely soft, and slighly acidic water is required. Temperature 24-26 degrees. The fish predominantly spawn in the afternoon or in the evening, when the light fades.The eggs will hatch in 24 hours, and the fry will be fully free swimming after another five days.Fry should be fed with infusoria in the beginning.

Sexual dimorphism: Males are thinner than the females.Hemigrammus hyanuary

Prices: Unk

Additional:

Picture references:Picture 1+2+3: E. Naus

References:Baensch, H. A., Riehl, R.(1982): Aquarien Atlas I. Mergus Verlag, Melle, Germany.Sterba, G.(1979): Aquariumvissen. Elsevier Nederland B. V., Amsterdam, The Netherlands.

Frey, H.(Unk): Het grote aquariumboek. Edition III, revised by A. van den Nieuwenhuizen. Neumann Verlag, Radebeul, Germany.

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