A new psammophilous catfish of the genus Microcambeva (Teleostei: Trichomycteridae) from the Rio Doce basin, southeastern Brazil

被引：6
作者：
de Medeiros, Lucas Silva [1 ]
Sarmento-Soares, Luisa Maria [2 ,3 ]
Queiroz Lima, Sergio Maia [1 ]
机构：
[1] Univ Fed Rio Grande do Norte, Lab Ictiol Sistemat & Evolut, Dept Bot & Zool, Ctr Biociencias, BR-59978970 Natal, RN, Brazil
[2] Univ Fed Espirito Santo, Programa Posgrad Biol Anim, Predio Biol, Campus Goiabeiras, BR-29043900 Vitoria, ES, Brazil
[3] Univ Estadual Feira de Santana, Lab Ecol & Evolucao Peixes, Ave Transnordestina S-N, BR-44036900 Feira De Santana, BA, Brazil
来源：
ICHTHYOLOGICAL EXPLORATION OF FRESHWATERS | 2021年 / 31卷 / 01期
关键词：
SILURIFORMES; SARCOGLANIDINAE; FOREST;
D O I：
10.23788/IEF-1147
中图分类号：
Q17 [水生生物学];
学科分类号：
071004 ;
摘要：
Microcambeva watu, new species, is described from the Rio Doce basin in the Atlantic Forest of southeastern Brazil. It is distinguished from all congeners by the presence of a heart-shaped blotch on top of head. It differs from M. ribeirae, M. filamentosa, and M. bendego by presenting an ossification in the anterior cartilage of autopalatine. It is distinguished from M. barbata by the anterior rudimentary ossification of autopalatine and from M. mucuriensis and M. draco by a bifid ventral tip of opercle. Finally, it also differs from M. jucuensis by having an ellipsoid metapterygoid lacking a ventral process. This is the eighth described species of Microcambeva, most of them in the last ten years. Comments on the systematics, biogeography, and conservation of the new species are provided.
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页码：1 / 13
页数：13
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