Molecular delimitation and taxonomic revision of the wimple piranhaCatoprion(Characiformes: Serrasalmidae) with the description of a new species

被引：11
作者：
Bonani Mateussi, Nadayca T. [1 ]
Melo, Bruno F. [1 ]
Oliveira, Claudio [1 ]
机构：
[1] Univ Estadual Paulista, Inst Biociencias, Dept Biol Estrutural & Func, Rua Prof Dr Antonio CW Zanin 250, BR-18618689 Botucatu, SP, Brazil
来源：
JOURNAL OF FISH BIOLOGY | 2020年 / 97卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
biodiversity; DNA barcoding; Neotropical region; systematics; Teleostei; CHARACIFORMES; PHYLOGENY; PIRANHAS; GENUS; SILURIFORMES; TELEOSTEI; FISHES;
D O I：
10.1111/jfb.14417
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
A taxonomic revision of wimple piranhas of the genusCatoprionis performed in combination with a molecular analysis using mtDNA. Molecular phylogenetic analyses of 49 specimens using genetic distances, conventional likelihood and four delimitation methods yielded two distinct lineages ofCatoprion, with the morphological analyses of 198 specimens ofCatoprioncorroborating the molecular results. We provide a redescription ofCatoprion mento, from the Paraguay, Orinoco, and tributaries of western Amazon basin, keepingMylesinus macropterusas a junior synonym ofC. mento, and the description ofCatoprion absconditusn. sp., from the Amazon and Essequibo basins.C. absconditusn. sp. differs fromC. mentoby the presence of 86-94 perforated scales in the lateral line (vs.65-86 scales) and the presence of 35-40 circumpeduncular scales (vs.29-34 scales). The distribution ofC. mentofollows the Amazonas-Paraguay-Orinoco lowlands, whereasC. absconditusfollows the eastern Amazon biogeographic pattern.
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收藏
页码：668 / 685
页数：18
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