A new species of Boehlkea (Characiformes: Characidae: Stevardiinae) from the rio Japura, Amazon basin, Brazil

被引：4

作者：

Soares, Isabel M. ^{[1
,3
]}

Bertaco, Vinicius A. ^{[2
]}

Ito, Priscila Madoka M. ^{[3
]}

Zuanon, Jansen ^{[4
]}

机构：

[1] Univ Estadual Paulista, Inst Biociencias Botucatu, Programa Posgrad Ciencias Biol Zool, BR-18618970 Botucatu, SP, Brazil

[2] Fundacao Zoobotan Rio Grande Do Sul, Museo Ciencias Nat, Av Dr Salvador Franca 1427, BR-90690000 Porto Alegre, RS, Brazil

[3] INPA, Colecoes Peixes, Av Andre Araujo 2936, BR-69060001 Manaus, AM, Brazil

[4] INPA, Biodiversidade, Av Andre Araujo 2936, BR-69060001 Manaus, AM, Brazil

来源：

NEOTROPICAL ICHTHYOLOGY | 2017年 / 15卷 / 03期

关键词：

Characidae "Clade A; Color pattern; Hemibrycon; Lateral line length; Taxonomy; TELEOSTEI CHARACIFORMES; PHYLOGENY; EVOLUTION; RIVER;

D O I：

10.1590/1982-0224-20170026

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

A new species of Boehlkea is described from rio Japura, Amazon basin. The new species differs from B. fredcochui by the presence of a vertically elongate humeral spot (vs. absence), complete lateral line (vs. incomplete), four rows of scales below lateral line (vs. three), and lower number of branched anal-fin rays (17-21 vs. 22-25), and from B. orcesi by the higher number of maxillary teeth (13-14 vs. 5-12), greater head length (27.9-29.9% vs. 24.3-27.5% of SL), and by the color pattern (basal half of dorsal-fin, distal portion of pelvic-fin, lower caudal-fin lobe and anal-fin with black chromatophores vs. absence of black chromatophores in the fins).

引用

页数：8

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