A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil

被引:6
|
作者
Shibatta, Oscar Akio [1 ]
机构
[1] Univ Estadual Londrina, Ctr Ciencias Biol, Dept Biol Anim & Vegetal, BR-86057970 Londrina, PR, Brazil
关键词
Microglanis carlae; Microglanis cottoides; Multivariate morphometrics; Pantanal; Systematics; STATE;
D O I
10.1590/1982-0224-20160031
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
A new species of Microglanis from upper rio Paraguay basin is described. The species differs from congeners by the following combination of characters: deeply forked caudal fin with pointed lobes, bifurcated hook between antrorse and retrorse hooks on anterior margin of pectoral-fin spine, lateral line relatively long, surpassing the vertical through end of dorsal fin but not reaching adipose fin, color pattern of dorsal region of head dark brown with a restrict thin light area between anterior nostril and eye, broad light stripe on supraoccipital region. Uma nova especie de Microglanis da bacia do alto rio Paraguai e descrita. A especie difere das congeneres pela seguinte combinacao de caracteres: nadadeira caudal profundamente furcada com lobos pontiagudos, serra bifurcada entre as serras antrorsas e retrorsas da margem anterior do espinho da nadadeira peitoral, linha lateral relativamente longa, ultrapassando a vertical que passa pelo final da base da nadadeira dorsal, mas nao atingindo a nadadeira adiposa, padrao de colorido da regiao dorsal castanho escuro com uma estreita area clara restrita entre a narina anterior e o olho, faixa clara larga na regiao supraoccipital.
引用
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页数:7
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