A new Hyphessobrycon (Ostariophysi: Characiformes: Characidae) from the middle Amazon basin, Brazil

被引:27
|
作者
Lima, Flavio C. T. [1 ]
Coutinho, Daniel P. [2 ]
Wosiacki, Wolmar B. [3 ]
机构
[1] Univ Estadual Campinas Adao Jose Cardoso, Museu Zool, BR-13083863 Campinas, SP, Brazil
[2] Univ Fed Piaui, Bom Jesus, PI, Brazil
[3] Museu Paraense Emilio Goeldi, BR-66040170 Belem, PA, Brazil
基金
巴西圣保罗研究基金会; 美国国家科学基金会;
关键词
Hyphessobrycon heterorhabdus; Rio Arapiuns; Rio Tapajos; terra firme; species groups; TELEOSTEI CHARACIFORMES; HEMIGRAMMUS; PHYLOGENY; FISHES; RIVER; KEY;
D O I
10.11646/zootaxa.3872.2.3
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
Hyphessobrycon montagi, new species, is described from tributaries of the Rio Arapiuns, a left margin affluent of the lower Rio Tapajos, Amazon basin, Para, Brazil. The new species can be diagnosed from all its congeners by the possession of a combination of two well-defined humeral blotches, connected by a narrow stripe, and a caudal peduncle blotch. A putatively monophyletic Hyphessobrycon heterorhabdus species-group, restricted to H. heterorhabdus, H. amapaensis, and H. eschwartzae, is herein proposed based on shared derived features of color pattern. Alternative proposals of a "Hyphessobrycon heterorhabdus group" presented in the recent literature are evaluated and criticized.
引用
收藏
页码:167 / 179
页数:13
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