Cunningtonia longiventralis
| Cunningtonia longiventralis | ||||||||||||
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Drawing from the first description by George Albert Boulenger. |
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| Systematics | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Cunningtonia | ||||||||||||
| Boulenger , 1906 | ||||||||||||
| Scientific name of the species | ||||||||||||
| Cunningtonia longiventralis | ||||||||||||
| Boulenger, 1906 |
Cunningtonia longiventralis is a species of cichlid endemic to the southern half of East African Lake Tanganyika .
features
The fish have a moderately tall body and large eyes. They become about 10 to 12 centimeters long, in rare cases also 14 or 15 centimeters. They are dark blue or almost black in color, some scales are silvery. The unpaired fins are gray. The anterior pelvic rays of the males are long drawn out, as in Cyathopharynx furcifer , but in contrast to these the thickenings at the ends are absent. The dorsal fin has 11 to 13 hard rays and 13 to 15 soft rays, the anal fin has three hard rays and 8 to 10 soft rays. The caudal fin is forked. The mouth is terminal, the teeth are movable, three-pointed, have crowns bent backwards and are arranged in many rows. The pharyngeal teeth are close together and form a velvety surface.
- Scale formula : mLR 36–41.
- Gill rake 15–18.
Way of life
Cunningtonia longiventralis lives in schools near rocky banks and feeds on zooplankton . The fish are mouthbrooders . After being laid in a crater nest in the sandy soil, the eggs are taken into the female's mouth and have a diameter of 3.5 mm.
literature
- Pierre Brichard: The Big Book of Tanganyika Cichlids. With all the other fish on Lake Tanganyika. Bede Verlag, 1995, ISBN 978-3927997943 . Page 272, 288-289.
Web links
- Cunningtonia longiventralis on Fishbase.org (English)