Description of Dicrossus foirni sp. n. and Dicrossus warzeli sp. n. (Teleostei: Perciformes: Cichlidae), two new cichlid species from the Rio Negro and the Rio Tapajos, Amazon drainage, Brazil

被引：0
|
作者：
Roemer, Uwe [1 ]
Hahn, Ingo J. [2 ]
Vergara, Pablo M. [3 ]
机构：
[1] Univ Trier, Inst Biogeog, Dep GeoSci, D-54296 Trier, Germany
[2] Univ Munster, Inst Landscape Ecol, Biogeog & Anim Ecol Res Grp, D-48149 Munster, Germany
[3] Univ Santiago Chile, Dept Engineer Geog, Santiago 7254758, Chile
来源：
VERTEBRATE ZOOLOGY | 2010年 / 60卷 / 02期
关键词：
Systematics; ichthyology; biogeography; freshwater ecology; Neotropics; Amazon River; new taxa;
D O I：
暂无
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
Dicrossus foirni sp. n. and Dicrossus warzeli sp. n. are described from the Brazilian Amazon River system. Both species are differentiated from all other Neotropical cichlids by exhibiting three rows of longitudinal lateral spots. Dicrossus foirni sp. n., which is distributed in the northern Rio Negro drainage, exhibits a pattern of lateral spots formed by the clustering of individual dots. By contrast, Dicrossus warzeli sp. n., which is endemic to the Rio Tapajos, exhibits three longitudinal rows of horizontal dash-like spots on the sides of the body. Furthermore, the two species are distinguished by having different relationships between body height and body length.
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页码：123 / 138
页数：16
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