DNA barcoding of fish fauna from low order streams of Tapajos River basin

被引：13

作者：

Auzier Guimaraes, Karen Larissa ^{[1
,2
]}

Alho de Sousa, Marcos Paulo ^{[1
,2
]}

Vasconcelos Ribeiro, Frank Raynner ^{[3
]}

Rebelo Porto, Jorge Ivan ^{[4
]}

Ribeiro Rodrigues, Luis Reginaldo ^{[1
,2
,5
]}

机构：

[1] Univ Fed Oeste Para, Inst Ciencias Educ, Lab Genet & Biodiversidade, Santarem, Para, Brazil

[2] Univ Fed Oeste Para, Programa Pos Grad Recursos Nat Amazonia, Santarem, Para, Brazil

[3] Univ Fed Oeste Para, Inst Ciencias & Tecnol Aguas, Colecao Ictiol, Santarem, Para, Brazil

[4] Inst Nacl de Pesquisas da Amazonia, Nucleo Apoio Pesquisa Para, Santarem, Para, Brazil

[5] Univ Fed Oeste Para, Rua Vera Paz S-N,Campus Tapajos, Santarem, Para, Brazil

来源：

PLOS ONE | 2018年 / 13卷 / 12期

关键词：

FOREST STREAMS; ASSEMBLAGES; CHARACIFORMES; BIODIVERSITY; CHARACIDAE;

D O I：

10.1371/journal.pone.0209430

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The Amazon basin harbors a megadiverse fish fauna spread in an intricate network of big rivers and small streams. The Amazonian streams are home of many small sized fishes that remains poorly documented. In order to accelerate the scientific knowledge on these important aquatic systems we adopted a modern integrative approach joining morphology and molecular tools to investigate the ichthyofauna assemblages from low order streams situated on the lower Tapajos River Basin. Cytochrome c Oxidase I (COI) DNA barcodes from 252 specimens collected from 10 stream sites were obtained. The combined analysis revealed 29 species, 21 genera and 11 families. Cryptic diversity was evidenced in Knodus sp. 1, Aequidens epae and Copella callolepis, in which deep genetic divergence were detected (intraspecific distances: 20.48%, 7.99% and 3.77%, respectively). The putative new species showed closer relationships with their counterparts occurring in the Tapajos-Xingu water drainages.

引用

页数：16

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