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Eutropiellus vanderweyeri, Van Den Oudenaerde, 1964

Origin: Nigeria, , Cameroun, possibly also in Gabun and Zaire. Here the fish occur in streams and rivers.

Etymology: Named in honour of Van Der Weyer.

Synonyms: Eutropiellus buffei, Eutropiellus kazai

First European import: 1954? E. vanderweyeri and E. debauwi have been constantly confused with eachother.

Description: See picture. The difference between Eutropiellus vanderweyeri and Eutropiellus debauwi is not hard to see. E. debauwi has besides a dorsal stripe a single longitudinal stripe, where E. vanderweyeri has two. The first rays of the adipose fin in E. debauwi are black, where in E. vanderweyeri there is only some black visible at the base. As a last difference, the black tips in the caudal fin are only present in E. vanderweyeri.

Care: Difficult fish to keep. They require a large tank,120 cm is suitable for a group of 6-8 of these fish. A strong curent is highly apreciated by the fish, as are a cover created by floating plants, and a dark soil. These fish are very sensitive to poor waterconditions, and respond badly to sudden changes in water chemistry. Frequent small waterchanges are recommended. They are however pretty indifferent to pH and Hardness, and can be kept in soft acidic, and harder, slightly alkaline water. Eutropiellus vanderweyeri are active swimmers, do not touch the plants, and are extremely peacefull, even towards small fish.

Temperature: 22-27 degrees

Feeding: Small live and flake food.

Size:Up to 8 cm.

pH: 6.0-7.5

Breeding: Has been bred in aquaria. A typical breeding setup would consist of a 60 cm tank, well planted, especially the lower regions, with darkened sides and back, and not too much light. Slightly acidic water, temperature around 25 degrees, well filtered. Add a ready to breed female and two males to this tank in the evening, and usually the next day or the following day the fish will spawn. Freespawners, in the morning up to 100 eggs are laid by the female, which will sink in between the plants. After this the parents should be removed. The eggs will hatch in 2-3 days, and can be fed artemia nauplii immediately after the yolksac has been consumed.

Sexual dimorphism: Well cared for fish only, females are bigger.

Prices:3-4€.

Additional: Well kept fish are a joy to the eye!

Picture references: E. Naus

References:Baensch, H. A., Riehl, R.(1982): Aquarien Atlas I. Mergus Verlag, Melle, Germany.(click on the link to buy this book)

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