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Issue: Vol. 4237 No. 1: 27 Feb. 2017
Type: Article
Published: 2017-02-26
DOI: 10.11646/zootaxa.4237.1.10
Page range: 181–190
Abstract views: 137
PDF downloaded: 1

A new species of Pseudocrenilabrus (Perciformes: Cichlidae) from Lake Mweru in the Upper Congo River System

Department of Biological Sciences, University of Zambia, P.O. Box 32379, Lusaka, Zambia.
Division of Aquatic Ecology, Institute of Ecology and Evolution, University of Bern, Baltzerstr. 6, CH-3012 Bern, Switzerland. Department of Fish Ecology and Evolution, Centre of Ecology, Evolution and Biogeochemistry (CEEB), Eawag Swiss Federal Institute of Aquatic Science and Technology, Seestrasse 79, CH-6047 Kastanienbaum, Switzerland.
Royal Museum for Central Africa, Department of Biology, Ichthyology, Leuvensesteenweg 13, 3080 Tervuren, Belgium and Laboratory of Biodiversity and Evolutionary Genomics, KU Leuven, De Beriotstraat 32, Leuven, Belgium.
Pisces Pseudocrenilabrus pyrrhocaudalis description south-eastern Africa

Abstract

Pseudocrenilabrus pyrrhocaudalis sp. nov. is described from Lake Mweru in the upper Congo River drainage, on the border of the Democratic Republic of Congo and Zambia. This species, which appears to be endemic to the lake, lives in sympatry with P. philander. Pseudocrenilabrus pyrrhocaudalis sp. nov. is distinguished from P. philander in nuptial males by the presence of an orange colour on the ventral part of the body and the proximal parts of the anal and caudal fins, a broad band of bright white on the distal edge of anal and caudal fins, a uniform grey head and dorsum, and a subtruncate caudal fin. In addition, P. pyrrhocaudalis has a shorter snout, a narrower head, a smaller interorbital distance, a smaller pre-anal distance, a more slender caudal peduncle and fewer scales around the caudal peduncle in both sexes.

 

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