A new species of Creagrutus (Characidae: Stevardiinae) from the upper Rio Magdalena, Colombia

被引：5
|
作者：
Albornoz-Garzon, Juan G. [1 ,2 ]
Conde-Saldna, Cristhian C. [1 ,3 ]
Garcia-Melo, Jorge E. [4 ]
Taphorn, Donald C. [5 ]
Villa-Navarro, Francisco A. [1 ]
机构：
[1] Univ Tolima, Fac Ciencias, Dept Biol, Grp Invest Zool, Calle 42 1B-1, Ibague, Tolima, Colombia
[2] Inst Invest Recursos Biol Alexander von Humboldt, Colecc Biol, Claustro San Agustin, Carrera 8 15-08, Villa De Leyva, Boyaca, Colombia
[3] Univ Estadual Paulista, UNESP, Inst Biociencias, Dept Morfol, Campus Botucatu, BR-18618689 Botucatu, SP, Brazil
[4] Pontificia Univ Javeriana, Unidad Ecol & Sistemat UNESIS, Lab Ictiol, Ciencias Biol, Carrera 7 43-82, Bogota, Colombia
[5] 1822 N Charles St, Belleville, IL 62221 USA
来源：
ZOOTAXA | 2018年 / 4482卷 / 02期
关键词：
taxonomy; trans-Andean region; Ostariophysi; Characiformes; CHARACIFORMES CHARACIDAE; TELEOSTEI CHARACIDAE; BRAZIL; BASIN; OSTARIOPHYSI; DRAINAGE; RIVER;
D O I：
10.11646/zootaxa.4482.2.6
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
A new species of Creagrutus is described from several localities in the upper Rio Magdalena drainage, Colombia. Creagrutus dulima n. sp. differs from all trans-Andean congeners by the combination of a relatively small orbital diameter, the shape and position of hooks on the pelvic-fm rays, in having the third infraorbital not in contact with the preopercle ventrally, and the presence of a dark, reticulated pigmentation pattern on the dorsal portion of body. The distribution of Creagrutus species in the Magdalena-Cauca River Basin is discussed, and an updated identification key for species of transAndean Creagrutus is provided.
引用
收藏
页码：341 / 354
页数：14
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