Hypostomus bimbai and H. pastinhai, two new depth-sheltered species of Hypostomus (Teleostei: Loricariidae) from the lower Rio Sao Francisco basin, Brazil

被引：3

作者：

Zawadzki, Claudio Henrique ^{[1
]}

Penido, Iago de Souza ^{[2
]}

机构：

[1] Univ Estadual Maringa, Dept Biol, Nucleo Pesquisas Limnol Ictiol & Aquicultura Nupe, Av Colombo 5790,Bl G90-S 18B, BR-87020900 Maringa, Parana, Brazil

[2] Univ Estadual Maringa, Programa Posgrad Biol Comparada, Av Colombo 5790,Bl G80-S 5, BR-87020900 Maringa, Parana, Brazil

来源：

ICHTHYOLOGICAL EXPLORATION OF FRESHWATERS | 2021年 / 30卷 / 04期

关键词：

1803 SILURIFORMES LORICARIIDAE; LACEPEDE; CATFISH; PISCES; REDESCRIPTION; BIOGEOGRAPHY; SYSTEMATICS;

D O I：

10.23788/IEF-1159

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Two undescribed and comparatively large species of the armored catfish genus Hypostomus were found in a recent field survey in a deep stretch canyon at the lower portion of the Rio Sao Francisco basin, in Bahia State, Brazil. One of these species is characterized by its few and sharp yellow dots over body and fins, its small mouth bearing few teeth and, the angled dentaries. The second species has remarkably short dorsal, pectoral, and pelvic fins and dark dots on body and fins. Both species are depth sheltered fishes with somewhat barrel shape and are formally described here.

引用

页码：361 / 375

页数：15

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