一种新的亚马逊 Brachychalcinus 物种（Characiformes: Characidae）来自巴西特龙贝塔斯河流域。
A new Amazonian species of Brachychalcinus (Characiformes: Characidae) from the Trombetas River basin, Brazil.
机构信息
Laboratório de Biologia e Genética de Peixes, Departamento de Morfologia, Instituto de Biociências, Universidade Estadual Paulista, São Paulo, Brazil.
Laboratório de Ictiologia, Setor de Zoologia, Campus de Botucatu, Universidade Estadual Paulista, São Paulo, Brazil.
出版信息
J Fish Biol. 2020 Apr;96(4):950-955. doi: 10.1111/jfb.14284. Epub 2020 Mar 15.
A new species of Brachychalcinus is described from the Rio Trombetas basin, Brazil. It differs from congeners by possessing a conspicuous rounded second humeral spot. Additionally, our new species differs from Brachychalcinus nummus, B. orbicularis and B. reisi by having a higher number of branched dorsal-fin rays, and from Brachychalcinus parnaibae by having a lower head depth.
本文描述了来自巴西特龙贝塔斯河盆地的一个新的短须蟾鱼属物种。它与同属的其他物种不同，具有明显的圆形第二肩斑。此外，我们的新物种与短须蟾鱼、圆斑短须蟾鱼和雷氏短须蟾鱼的区别在于具有更多的分支背鳍鳍条，与帕纳伊巴短须蟾鱼的区别在于头部深度较低。
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