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Aulonocara eureka

Origin: Breeding form of Aulonocara jacobfreibergi 'Otter Point'

Etymology: eureka, after the expression, not a valid species name!

Synonyms: None

First European import: Breeding form.

Description: See pictures. Several forms exist.

Care: Aulonocara eureka requires rocks and caves to hide in. The tank should be setup accordingly, with slightly alkaline and medium hard to hard water, frequent waterchanges and a good filtration system. As the fish are aggressiv, they are not suitable for the community tank. It's best to keep a single male with several females, although in larger tanks also groups of these fish can be kept. There will be only one visible male in that case, all other males will display the same colors as the females. See also Aulonocara jacobfreibergi(under construction).

Temperature: 24-26 degrees.

Feeding: Omnivorous, will eat all foods offered, not too difficult for a Malawi ciclid, although the fish shouldn't be overfed with easy to digest foods as mosquito larvae.

Size: 12 cm, females 6.

pH: 7.6-9.0

Breeding: Easy. Mouthbrooder. The males will establish a territory, and can be extremely aggressiv towards females and other fish in the aquarium.After spawning it's best to remove the male from the breeding tank, and leave the female alone. She will cary the eggs and fry between 18 and 24 days, depending on the temperature. Usually only small numbers of fry are produced, between 10 and 30. The fry are easy to raise, but sensitive to bad water conditions, and grow slow.

Sexual dimorphism: Males are much larger than females.

Prices: Between 10 and 20€

Additional: Most Aulonocara species will crossbreed. Never keep different species in the same tank to avoid this. Crossbreeding article will be available soon on Aquaworld.

Currently several color varieties are known, among which the "Albino" and the "Red" strain. Another Aulonocara breeding form

Picture references: Pictures: E. Naus

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

http://www.theaquariumexchange.com/auloeureka.html
http://www.ohiexchange.com/armke/fishpages/fpage_aul_eureka_red.html

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