A new species of Hemiodus Muller (Characiformes: Hemiodontidae) from the lower Rio Xingu, Brazil

被引：4

作者：

Silva, Ivanilza Da Silveira ^{[1
]}

Nogueira, Acacio Freitas ^{[2
,3
]}

Netto-Ferreira, Andre Luiz ^{[3
]}

Akama, Alberto ^{[1
]}

Dutra, Guilherme Moreira ^{[4
]}

机构：

[1] Museu Paraense Emilio Goeldi, Coordenacao Zool, Ave Magalhaes Barata 376, BR-66040170 Belem, Para, Brazil

[2] Univ Fed Para, Inst Ciencias Biol, Programa Posgrad Zool, Belem, Para, Brazil

[3] Univ Fed Rio Grande do Sul, Inst Biociencias, Dept Zool, Lab Ictiol, Ave Bento Goncalves 9500, BR-91501970 Porto Alegre, RS, Brazil

[4] Univ Sao Paulo, Museu Zool, Caixa Postal 42494, BR-04218970 Sao Paulo, SP, Brazil

来源：

ZOOTAXA | 2020年 / 4751卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

Hemidus ternetzi; Hemiodus thayeria; Hemiodus tocantinensis; South America; taxonomy; AMAZON BASIN;

D O I：

10.11646/zootaxa.4751.1.11

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

A new species of Hemiodus is described from the Rio Xingu basin, Para Brazil. It is distinguished from congeners by the combination of presence of a dark longitudinal stripe extending from head to tip of lower caudal-fin lobe, an oblique blotch on dorsal-fin, 9-11 scale rows above lateral line, 58-66 perforated lateral line scales, and 17-20 circumpeduncular scales. Comments on the conservation status of the new species, as well as its relationships among Hemiodus species, are made.

引用

页码：172 / 180

页数：9

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