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Citation for Study 18468

About Citation title: "Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa".
About Study name: "Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa".
About This study is part of submission 18468 (Status: Published).

Citation

Sullivan J.P., Lavoué S., & Hopkins C. 2016. Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys, 561: 117–150.

Authors

  • Sullivan J.P.
  • Lavoué S.
  • Hopkins C.

Abstract

We use mitochondrial and nuclear sequence data to show that three weakly electric mormyrid fish specimens collected at three widely separated localities in Gabon, Africa over a 13-year period represent an unrecognized lineage within the subfamily Mormyrinae and determine the phylogenetic position of this lineage with respect to other taxa. We describe these three specimens as a new genus with two new species. Cryptomyrus, new genus, is readily distinguished from all other mormyrid genera by a combination of features of squamation, morphometrics, and dental attributes. Cryptomyrus ogoouensis, new species, is differentiated from its single congener by the possession of an anal-fin origin located well in advance of the dorsal fin, a narrow caudal peduncle and caudal-fin lobes nearly as long as the peduncle. Whereas in Cryptomyrus ona, new species, the anal-fin origin is located only slightly in advance of the dorsal fin, the caudal peduncle is deep and the caudal-fin lobes considerably shorter than the peduncle. Continued discovery of new taxa within the “Lower Guinea Clade” of Mormyridae highlights the incompleteness of our knowledge of fish diversity in West-Central Africa. We present a revised key to the mormyrid genera of Lower Guinea.

Keywords

weakly electric fish, Mormyrinae, integrative taxonomy, phylogeny, DNA, electric organ discharge, EOD, African freshwater fishes, rarity

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S18468
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