A new Hyphessobrycon (Characiformes: Characidae) from the rio Xingu Basin, Brazil

被引：6
|
作者：
Faria, Tiago C. [1 ]
Lima, Flavio C. T. [1 ]
Bastos, Douglas A. [2 ]
机构：
[1] Univ Estadual Campinas Adao Jose Cardoso, Museu Zool, Caixa Postal 6109, BR-13083863 Campinas, SP, Brazil
[2] Inst Nacl de Pesquisas da Amazonia, Colecao Peixes, Av Andre Araujo 2936,CP 2223, BR-69060001 Manaus, Amazonas, Brazil
来源：
PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA | 2020年 / 166卷 / 01期
基金：
美国国家科学基金会; 巴西圣保罗研究基金会;
关键词：
OSTARIOPHYSI CHARACIFORMES; TELEOSTEI CHARACIFORMES; JURUENA BASIN; AMAZON BASIN;
D O I：
10.1635/053.166.0103
中图分类号：
X176 [生物多样性保护];
学科分类号：
090705 ;
摘要：
A new species of Hyphessobrycon is described from the middle and lower rio Xingu Basin, Para state, Brazil. The new species can be distinguished from all congeners by the combination of a large caudal peduncle blotch (largest in mature males), absence of humeral blotch, and largest teeth on dentary, inner premaxillary and maxillary relatively compressed with 6-9 cusps. The new species is compared to three other congeners with similar color pattern: Hyphessobrycon diastatos Dagosta, Marinho & Camelier 2014, Hy. negodagua Lima & Gerhard 2001, and Hy. parvellus Ellis 1911, and one species of Hemigrammus, He. rodwayi Durbin 1909.
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页数：10
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