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A new species of Petrochromis (Perciformes: Cichlidae) from Lake Tanganyika

Abstract

Based on morphological and molecular analyses of a Petrochromis fish (Cichlidae) from the southern end of Lake Tanganyika, this fish is considered a taxonomic species distinct from the six known congeners. A new scientific name is proposed for this fish. A key to the seven Petrochromis species is included.

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Acknowledgements

We thank M. Hori for providing specimens; P. Ngalande, H. Phiri, D. Sinyinza, and other staff of Department of Fisheries, the Ministry of Livestock and Fisheries, Zambia, and B. Ngatunga, A. Chande and other staff of Tanzania Fisheries Research Institute for their support in the field; J. Snoeks, R. Britz, M. Yabe, Y. Kai, G. Shinohara, Y. Terai, and H. Hata for their assistance during the examination of comparative specimens; J. Snoeks and R. Britz for depositing type specimens of P. horii n. sp. in MRAC and BMNH, respectively; J. Snoeks and L. Makasa for comments on the taxonomic status of P. t. ephippium; and Y. Kai for measuring the upper-jaw protrusion in some specimens. This study was supported by Grants-in-Aid for Special Purposes (No. 18779002), Young Scientists (B) (No. 20770065), and Scientific Research (B) (No. 23370043) from the Ministry of Education, Culture, Sports, Science and Technology, Japan.

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Correspondence to Tetsumi Takahashi.

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This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as FDF1F91D-53A1-4DFC-BE0C-07AF48515DF1.

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Takahashi, T., Koblmüller, S. A new species of Petrochromis (Perciformes: Cichlidae) from Lake Tanganyika. Ichthyol Res 61, 252–264 (2014). https://doi.org/10.1007/s10228-014-0396-9

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Keywords

  • Petrochromis horii
  • Taxonomy
  • Morphology
  • mtDNA phylogeny
  • Description of a new species
  • Key to species