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

页码：341 / 354

页数：14

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