Megalamphodus roseus, Gery, 1960
Origin: Guyana countries, in the Maroni river system
Etymology: roseus(L.): pink, pinkish.
First European import: The Netherlands, 1978, by a Dutch priest.
Description: See pictures. Some differences can be observed with other pictures of this species. The fish in the picture have a more reddisch tail, and show a hint of red in all other fins. The eye color is yellow, with some black, but in true M. roseus the eyes are completely black.
Care: Peaceful fish, has to be kept in groups of 5 or more. Suitable for the community tank. These fish are easy to keep, and have no particular requirements, except for some free swimming space and regular waterchanges. They are best kept in planted tanks, with a dark soil, and slightly acidic water, but in brightly lit community tanks with slighlt alkaline hard water they will do equally fine, although the colors might be a bit less.
Temperature: 23-27 degrees, best around 25.
Size: Up to 3 cm.
pH: 6.0-8.0 Hardness up to 30 dGH.
Breeding: Has been bred in aquaria. Probably similar to other tetras.
Sexual dimorphism: Females show a bigger spot on the sides, males have more white in the dorsal fin.
Additional: The fish in the pictures may be a different (sub)species.
Picture references:All pictures E. Naus
References:Baensch, H. A., Riehl, R.(1985): Aquarien Atlas II. Mergus Verlag, Melle, Germany.Frey, H.(1972):Tropische vissen in het aquarium; Deel 1: Zalmpjes.Thieme &Cie, Zutphen, The Netherlands
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