Aulonocara
| Aulonocara | ||||||||||||
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Aulonocara hansbaenschi |
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| Scientific name | ||||||||||||
| Aulonocara | ||||||||||||
| Regan , 1922 |
Aulonocara ( Gr . "Aulos" = tube pit "kara" = head (refers to the sense pits on the head)) is a cichlid - genus , which is endemic in Malawi in East Africa lives.
features
Aulonocara species grow to be between 8 and 18 centimeters long. They have a typical perch shape with a compact body and beefy, pointed-mouthed head. The dominant body colors of many Aulonocara species are blue and yellow. The genus is characterized by many small sensory pores on the back of the head, which, similar to the side line, can perceive pressure stimuli and serve for orientation and foraging. The food is sought in the sandy ground.
Way of life
All Aulonocara species are mouth brooders and most species reproduce in the rock littoral or in the transition zone to the sand littoral, where the males form territories in the center of which is usually a cave. Some species are adapted to life in the sand littoral. The eggs are rich in yolks, the fry hatch at water temperatures of 28–29 ° C after 17 to 19 days.
Aulonocara species are caught and bred as aquarium fish. Many species hybridize with each other under aquarium conditions, which must be taken into account when maintaining the aquarium.
Systematics
There are 23 described and some still undescribed species:
- Genus Aulonocara Regan, 1921
- Aulonocara aquilonium Konings, 1995
- Aulonocara auditor ( Trewavas , 1935)
- Aulonocara baenschi Meyer & Riehl, 1985
- Aulonocara brevinidus Konings, 1995
- Aulonocara brevirostre (Trewavas, 1935)
- Aulonocara ethelwynnae Meyer, Riehl & Zetzsche, 1987
- Aulonocara gertrudae Konings, 1995
- Aulonocara guentheri Eccles, 1989
- Aulonocara hansbaenschi Meyer, Riehl & Zetzsche, 1987
- Aulonocara hueseri Meyer, Riehl & Zetzsche, 1987
- Aulonocara jacobfreibergi (Johnson, 1974)
- Aulonocara kandeensis Tawil & Allgayer, 1987
- Aulonocara koningsi Tawil, 2003
- Aulonocara korneliae Meyer, Riehl & Zetzsche, 1987
- Aulonocara macrochir Trewavas, 1935
- Aulonocara maylandi Trewavas, 1984
- Aulonocara nyassae Regan, 1922 , type species
- Aulonocara rostratum Trewavas, 1935
- Aulonocara saulosi Meyer, Riehl & Zetzsche, 1987
- Aulonocara steveni Meyer, Riehl & Zetzsche, 1987
- Aulonocara stonemani (Burgess & Axelrod, 1973)
- Aulonocara stuartgranti Meyer & Riehl, 1985
- Aulonocara trematocephalum (Boulenger, 1901)
swell
- Erwin Schraml: Aulonocara Regan, 1922 and Aulonocara […]. In: Claus Schaefer, Torsten Schröer (Hrsg.): The large lexicon of aquaristics. Eugen Ulmer, Stuttgart 2004, ISBN 3-8001-7497-9 , pp. 110-114.
further reading
- Andreas Butze: Aulonocara - imperial cichlids . Bede-Verlag, Ruhmannsfelden 2002, ISBN 978-3-8986-0013-2 .
Web links
- African perch: genus of the Aulonocara
- Aulonocara on Fishbase.org (English)