A new Hemigrammus Gill from upper rio Parana system, Southeastern Brazil (Characiformes: Characidae)

被引：0
|
作者：
Marinho, Manoela M. F. [1 ]
Carvalho, Fernando R. [2 ]
Langeani, Francisco [1 ]
Tatsumi, FLa Vio L. [3 ]
机构：
[1] Univ Estadual Paulista, Lab Ictiol, Dept Bot & Zool, BR-15054000 Sao Jose Do Rio Preto, SP, Brazil
[2] Univ Fed Rio Grande do Sul, Inst Biociencias, Lab Ictiol, Dept Zool & Programa Posgrad Biol Anim, BR-91501970 Porto Alegre, RS, Brazil
[3] IBAMA, Inst Brasileiro Meio Ambiente & Recursos Nat Reno, BR-78320000 Juina, MT, Brazil
来源：
ZOOTAXA | 2008年 / 1724期
关键词：
neotropical region; South America; rio Grande; taxonomy;
D O I：
暂无
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
Hemigrammus parana is described from the upper rio Parana system, in the area of influence of the Ilha Solteira reservoir in states of Mato Grosso do Sul, Minas Gerais and Sao Paulo, southeastern Brazil. The new species differs from all congeners by the combination of the following characters: absence of humeral spot; presence of a roughly triangular or rectangular conspicuous black caudal spot, extending from base to tip of middle caudal-fin rays, its greatest depth at base of caudal-fin rays; and anal-fin rays iii-iv, 18-23.
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页码：52 / 60
页数：9
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