A New Species of Silverside of the Genus Odontesthes (Atheriniformes: Atherinopsidae) with Hypertrophic Lips from a High-Altitude Basin in Southern Brazil

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2022-11-04 DOI:10.1643/i2021136
Juliana M. Wingert, J. Ferrer, M. P. Neves, Dirceu Baumgartner, L. Malabarba
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Abstract

Odontesthes crossognathos, new species, is described from the Pelotas River basin, upper Uruguay River, southern Brazil. The new species is easily diagnosed by the possession of hypertrophied lips bearing numerous dermal papillae, a character absent in other species of the genus. The new species is also distinguished from congeners, except O. humensis, by having the upper jaw distinctly longer than the lower jaw and a subterminal mouth. These mouth morphology adaptations are probably related to the foraging behavior of the new species, which inhabits rivers with rapids and rocky bottoms in a high-altitude basin. Odontesthes crossognathos, espécie nova, é descrita da bacia do rio Pelotas, alto rio Uruguai, sul do Brasil. A nova espécie é facilmente diagnosticável por possuir lábios hipertrofiados com numerosas papilas dérmicas, caráter ausente em outras espécies do gênero. A nova espécie também se distingue das congêneres, exceto de O. humensis, por ter a mandíbula superior distintamente mais longa do que a inferior e a boca subterminal. Essas adaptações na morfologia da boca provavelmente estão relacionadas ao comportamento de forrageamento da nova espécie, que habita rios de corredeiras e fundos rochosos em uma bacia de altitude elevada.
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巴西南部高海拔盆地具肥厚嘴唇的齿齿蛇属银翅一新种(齿齿蛇亚纲:齿齿蛇科)
巴西南部乌拉圭河上游佩洛塔斯河流域的齿齿蛇(Odontesthes crossognathos),新种。这个新种很容易通过拥有肥大的嘴唇来诊断,嘴唇上有许多真皮乳头,这是该属其他物种所没有的特征。这个新物种也与同类区别开来,除了猿人,上颚明显长于下颚和一个下颚。这些口腔形态的适应可能与新物种的觅食行为有关,它们生活在高海拔盆地的急流和岩石底部的河流中。odonteses cross - sognathos, espacei nova, descrita da bacia do bbo Pelotas, alto bba Uruguai, sul do Brasil。A nova espencie facilmente diagnosticável por posir lábios hipertrofiados com numerosas papilas dastrimicas, caráter ausente em outras espenciesimcies do gênero。一个新的espespacei tambacem有独特的das congêneres,除了O. humensis, porter有一个mandíbula高级的鉴别mais长一个低级的boca亚终端。第2章adaptações - 1 .形态发育学的研究进展情况:与新发电子通讯通讯的研究进展情况的关系;与新发电子通讯的研究进展情况的关系;与新发电子通讯的研究进展情况的关系。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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