New species of Metynnis Cope, 1878 (Characiformes: Characidae) from the rio Paraguay basin, Mato Grosso State, Brazil

被引：7
|
作者：
Pavanelli, Carla S. [1 ,2 ]
Ota, Rafaela P. [2 ]
Petry, Paulo [3 ]
机构：
[1] Univ Estadual Maringa, Nucleo Pesquisas Limnol Ictiol & Aquicultura, BR-87020900 Maringa, Parana, Brazil
[2] Univ Estadual Maringa, Programa Posgrad Ecol Ambientes Aquat Continentai, BR-87020900 Maringa, Parana, Brazil
[3] Harvard Univ, Museum Comparat Zool, Cambridge, MA 02138 USA
来源：
NEOTROPICAL ICHTHYOLOGY | 2009年 / 7卷 / 02期
基金：
美国国家科学基金会;
关键词：
Taxonomy; Neotropical; Ostariophysi; Freshwater; Serrasalminae; SERRASALMIDAE; SEQUENCES;
D O I：
10.1590/S1679-62252009000200002
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
A new species of Metynnis is described from the rio Cuiaba and rio Manso drainages, in the upper rio Paraguay basin, Mato Grosso State, Brazil. This laterally compressed species, which rarely exceeds 140 mm in SL, is readily distinguished from other members of the genus Metynnis by having 100-110 lateral-line scales, 48-56 rows of scales above the lateral line, 32-36 circumpeduncular scales, 22-24 gill rakers, 38 vertebrae, singular color pattern, and relatively smaller snout, width, and head length.
引用
收藏
页码：141 / 146
页数：6
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