Teleocichla preta, a new species of cichlid from the Rio Xingu Basin in Brazil (Teleostei: Cichlidae)

被引：8

作者：

Varella, H. R. ^{[1
]}

Zuanon, J. ^{[2
]}

Kullander, S. O. ^{[3
]}

Lopez-Fernandez, H. ^{[4
,5
]}

机构：

[1] Univ Sao Paulo, Museu Zool, Caixa Postal 42494, BR-04218970 Sao Paulo, SP, Brazil

[2] Inst Nacl de Pesquisas da Amazonia, Coordenacao Biodiversidade, Caixa Postal 2223, BR-69080971 Manaus, Amazonas, Brazil

[3] Swedish Museum Nat Hist, Dept Zool, POB 50007, SE-10405 Stockholm, Sweden

[4] Royal Ontario Museum, Dept Nat Hist, 100 Queens Pk, Toronto, ON M5S 2C6, Canada

[5] Univ Toronto, Dept Ecol & Evolutionary Biol, 25 Willcocks St, Toronto, ON M5S 3B2, Canada

来源：

JOURNAL OF FISH BIOLOGY | 2016年 / 89卷 / 03期

基金：

加拿大自然科学与工程研究理事会; 巴西圣保罗研究基金会;

关键词：

Amazon basin; durophagy; endemism; rapids; rheophilic species; taxonomy; MORPHOLOGY; PHYLOGENY; MOLECULES; EVOLUTION; PARANA;

D O I：

10.1111/jfb.13053

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Teleocichla preta nov. sp. inhabits the rapids along the Rio Xingu and lower portion of the Rio Iriri. It is the largest species in the genus, reaching 1213 mm standard length (L-S) while others do not reach more than 878 mm L-S. Teleocichla preta is distinguished from all other species of Teleocichla by the unique blackish (in live specimens) or dark brown (preserved specimens) overall colouration of the body, which masks the faint vertical bars or zig-zag pattern of blotches on the flanks. Teleocichla preta also has a deeper body and a deep laterally compressed caudal peduncle, unlike any other congener, as well as a stout lower pharyngeal tooth plate bearing molariform teeth on its median area.

引用

页码：1551 / 1569

页数：19

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