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Journal Article

Aphyosemion pseudoelegans (Cyprinodontiformes: Nothobranchiidae), a new killifish species from the Cuvette centrale in the Congo Basin (Democratic Republic of Congo)

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons56944

Sonnenberg,  Rainer
Department Evolutionary Genetics, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Sonnenberg_2013a.pdf
(Publisher version), 621KB

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Citation

Sonnenberg, R., & Van der Zee, J. R. (2012). Aphyosemion pseudoelegans (Cyprinodontiformes: Nothobranchiidae), a new killifish species from the Cuvette centrale in the Congo Basin (Democratic Republic of Congo). Bonn Zoological Bulletin, 61(1), 3-12.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0014-12B6-8
Abstract
Aphyosemion pseudoelegans, new species, is described, based on collections that have been misidentified for decades as A. elegans by all authors. The new species superficially resembles A. elegans, but can be distinguished from the latter and all other species of the genus by a diagnostic combination of colour pattern characters, most prominently it has a dark red to black dorsal fin in males, a colour pattern always absent in all known A. elegans populations, including the type specimens, and an asymmetrical colour pattern on caudal fin margins versus symmetrical in A. elegans. Aphyosemion pseudoelegans, new species, is found in small rivers on the left bank of the middle Congo, where it occurs sympatric and sometimes even syntopic with A. elegans, A. sp. aff. castaneum, or an undescribed species of Aphyosemion at Ikela.