Back to Tanganyika: a case of recent trans-species-flock dispersal in East African haplochromine cichlid fishes.

Meyer, Britta S. , Indermaur, Adrian, Ehrensperger, Xenia, Egger, Bernd, Banyankimbona, Gaspard, Snoeks, Jos and Salzburger, Walter (2015) Back to Tanganyika: a case of recent trans-species-flock dispersal in East African haplochromine cichlid fishes. Open Access Royal Society Open Science, 2015 (2). p. 140498. DOI 10.1098/rsos.140498.

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Abstract

The species flocks of cichlid fishes in the East African Great Lakes are the largest vertebrate adaptive radiations in the world and illustrious textbook examples of convergent evolution between independent species assemblages. Although recent studies suggest some degrees of genetic exchange between riverine taxa and the lake faunas, not a single cichlid species is known from Lakes Tanganyika, Malawi and Victoria that is derived from the radiation associated with another of these lakes. Here, we report the discovery of a haplochromine cichlid species in Lake Tanganyika, which belongs genetically to the species flock of haplochromines of the Lake Victoria region. The new species colonized Lake Tanganyika only recently, suggesting that faunal exchange across watersheds and, hence, between isolated ichthyofaunas, is more common than previously thought.

Document Type: Article
Additional Information: Sequence data has been deposited at GenBank under the accession numbers KJ955381-KJ955446.
Keywords: Haplochromis sp. ‘Chipwa’; adaptive radiation; superflock; Lake Victoria
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EV Marine Evolutionary Ecology
Refereed: Yes
Open Access Journal?: Yes
DOI etc.: 10.1098/rsos.140498
ISSN: 2054-5703
Related URLs:
Date Deposited: 04 Mar 2015 14:07
Last Modified: 23 Jan 2019 14:13
URI: http://oceanrep.geomar.de/id/eprint/27856

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