Lestradea
| Lestradea | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Lestradea | ||||||||||||
| Poll , 1943 |
Lestradea is a genus of cichlids that is endemic to Lake Tanganyika in East Africa. The genus was named after A. Lestrade, who created a large collection of Tanganyika cichlids.
features
Lestradea species are 12 to 14 cm tall, elongated and have strikingly large eyes. The mouth is covered with two to three rows of conical or three-pointed teeth. All are the same size, those of the inner row (s) are curved backwards. The teeth have a deep-seated point on the side of the tooth shaft. The pharyngeal teeth are thin and have a triangular arrangement. The caudal fin is forked.
- Fin formula : Dorsal XIII – XVI / 13–16, Anale III / 9–11.
- Scale formula : SL 37–40.
- Gill rake 15–19.
Lestradea species are silvery, head and back are gray or yellowish brown.
Way of life
Lestradea species are wandering, semi-pelagic plankton eaters and fast swimmers. They are mouthbrooders . The approximately 20 eggs, which have a diameter of approx. 20 mm, are taken into the mouth by the female after being laid.
species
There are two types of which one occurs in the northern and the other in the southern part of Lake Tanganyika.
- Lestradea perspicax Poll, 1943
- Lestradea stappersii (Poll, 1943)
Lestradea stappersii was originally considered a subspecies of Lestradea perspicax .
literature
- Pierre Brichard: The Big Book of Tanganyika Cichlids. With all the other fish on Lake Tanganyika. Bede Verlag, 1995, ISBN 978-3927997943 . Page 381.
- Soren Neergaard: Tanganyika - Cichlids. Kernen Verlag, 1982, ISBN 3-8740-1005-8
Web links
- Lestradea on Fishbase.org (English)