文章标题巴西里约热内卢Doce盆地棘蝗属一新种(特征:棘蝗科)

IF 2 4区 生物学 Q1 ZOOLOGY
Leonardo Oliveira-Silva, S. A. D. Santos, Maridiesse Morais Lopes, A. Zanata
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引用次数: 2

摘要

摘要描述了巴西米纳斯吉拉斯州多塞盆地中上游支流的一新种。除了C. cricarense、C. hasemani、C. helmeri、C. kalunga、C. pterotictum、C. schubarti、C. summus和C. travassosi外,该新种与大多数同属物种的区别在于,在峡前边界和峡前边缘之间的区域没有鳞片。新种与上述物种的不同之处在于一系列特征,包括存在脂肪鳍,肛门和肛鳍之间有2-4片鳞片,两排牙齿,存在眶上管顶支,侧线以上有4排鳞片,每个尾鳍上没有两个明显倾斜的暗带。这个新物种与大多数峡部腹面无鳞片的同系物的进一步不同之处在于,它的侧线上有33-34孔鳞片,尾鳍上的暗线没有形成明确的条纹。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A new species of Characidium (Characiformes: Crenuchidae) from the rio Doce basin, Brazil
Abstract A new species of Characidium is described from the tributaries of the upper and middle rio Doce basin, Minas Gerais, Brazil. The new species is distinguished from most congeners, except C. cricarense, C. hasemani, C. helmeri, C. kalunga, C. pterostictum, C. schubarti, C. summus, and C. travassosi by lacking scales in the area between the anterior limit of the isthmus and the anterior margin of cleithrum. The new species differs from the aforementioned species by a series of characters, including the presence of the adipose fin, 2–4 scales between the anus and anal fin, two rows of dentary teeth, presence of the parietal branch of the supraorbital canal, 4 scale rows above the lateral line, and absence of two conspicuous inclined dark bands on each caudal-fin lobe. The new species further differs from most congeners with an unscaled ventral surface of the isthmus by the presence of 33–34 pored scales on the lateral line and by the dark dashes on the caudal fin-rays not forming well-defined bands.
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来源期刊
Neotropical Ichthyology
Neotropical Ichthyology 生物-动物学
CiteScore
2.80
自引率
17.60%
发文量
24
审稿时长
6-12 weeks
期刊介绍: Neotropical Ichthyology is the official journal of the Sociedade Brasileira de Ictiologia (SBI). It is an international peer-reviewed Open Access periodical that publishes original articles and reviews exclusively on Neotropical freshwater and marine fishes and constitutes an International Forum to disclose and discuss results of original research on the diversity of marine, estuarine and freshwater Neotropical fishes. -Frequency: Four issues per year published only online since 2020, using the ‘rolling pass’ system, which posts articles online immediately as soon as they are ready for publication. A searchable and citable Digital Object Identifier (DOI) is assigned to each article immediately after online publication, with no need to await the issue’s closing. -Areas of interest: Biology, Biochemistry and Physiology, Ecology, Ethology, Genetics and Molecular Biology, Systematics. -Peer review process: The Editor-in-Chief screens each manuscript submitted to Neotropical Ichthyology to verify whether it is within the journal’s scope and policy, presents original research and follows the journal’s guidelines. After passing through the initial screening, articles are assigned to a Section Editor, who then assigns an Associate Editor to start the single blind review process.
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