Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae)
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional do INPA |
Texto Completo: | https://repositorio.inpa.gov.br/handle/1/14587 |
Resumo: | Centromochlus actually comprises eleven species, being the most problematic genus among the Centromochlinae, including morphologically heterogeneous taxa. The Centromochlus species have a wide distributional area on northern South America. Centromochlus meridionalis, new species, is described from headwaters of rio Teles Pires, contributor of rio Tapajós, Mato Grosso State, Brazil, and represents one of the southernmost records of a centromochlin catfish for Meridional Amazon rivers. Centromochlus meridionalis is promptly distinguished from its congeners by the small orbital diameter (relative to head length), and also by the combination of absence of first nuchal plate, anterior margin of dorsal-fin spine smooth, six branched rays in anal fin, seven pairs of ribs and 34 vertebrae. They are small sized catfishes with adults between 33 to 61 mm in standard length. The modified male anal fin is conspicuous, with the third unbranched ray enlarged, about twice the width of first unbranched ray. The new species inhabits a region strongly endangered by environmental changes due to expansion of agropecuary activities on Brazilian Amazon, which include this species in an uncertain situation regarding the conservation status of its natural population. © 2013 Sociedade Brasileira de Ictiologia. |
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Sarmento-Soares, Luisa MariaCabeceira, Fernando GonçalvesCarvalho, Lucélia NobreZuanon, JansenAkama, Alberto2020-04-24T16:55:07Z2020-04-24T16:55:07Z2013https://repositorio.inpa.gov.br/handle/1/1458710.1590/S1679-62252013000400007Centromochlus actually comprises eleven species, being the most problematic genus among the Centromochlinae, including morphologically heterogeneous taxa. The Centromochlus species have a wide distributional area on northern South America. Centromochlus meridionalis, new species, is described from headwaters of rio Teles Pires, contributor of rio Tapajós, Mato Grosso State, Brazil, and represents one of the southernmost records of a centromochlin catfish for Meridional Amazon rivers. Centromochlus meridionalis is promptly distinguished from its congeners by the small orbital diameter (relative to head length), and also by the combination of absence of first nuchal plate, anterior margin of dorsal-fin spine smooth, six branched rays in anal fin, seven pairs of ribs and 34 vertebrae. They are small sized catfishes with adults between 33 to 61 mm in standard length. The modified male anal fin is conspicuous, with the third unbranched ray enlarged, about twice the width of first unbranched ray. The new species inhabits a region strongly endangered by environmental changes due to expansion of agropecuary activities on Brazilian Amazon, which include this species in an uncertain situation regarding the conservation status of its natural population. © 2013 Sociedade Brasileira de Ictiologia.Volume 11, Número 4, Pags. 797-808Attribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessCentromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae)info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleNeotropical Ichthyologyengreponame:Repositório Institucional do INPAinstname:Instituto Nacional de Pesquisas da Amazônia (INPA)instacron:INPAORIGINALartigo-inpa.pdfapplication/pdf3926220https://repositorio.inpa.gov.br/bitstream/1/14587/1/artigo-inpa.pdfdd4b880524b51ad0d782baf7eda5aa69MD51CC-LICENSElicense_rdfapplication/octet-stream914https://repositorio.inpa.gov.br/bitstream/1/14587/2/license_rdf4d2950bda3d176f570a9f8b328dfbbefMD521/145872020-07-14 09:13:05.548oai:repositorio:1/14587Repositório de PublicaçõesPUBhttps://repositorio.inpa.gov.br/oai/requestopendoar:2020-07-14T13:13:05Repositório Institucional do INPA - Instituto Nacional de Pesquisas da Amazônia (INPA)false |
dc.title.en.fl_str_mv |
Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae) |
title |
Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae) |
spellingShingle |
Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae) Sarmento-Soares, Luisa Maria |
title_short |
Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae) |
title_full |
Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae) |
title_fullStr |
Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae) |
title_full_unstemmed |
Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae) |
title_sort |
Centromochlus meridionalis, a new catfish species from the southern amazonian limits, Mato Grosso state, Brazil (Siluriformes: Auchenipteridae) |
author |
Sarmento-Soares, Luisa Maria |
author_facet |
Sarmento-Soares, Luisa Maria Cabeceira, Fernando Gonçalves Carvalho, Lucélia Nobre Zuanon, Jansen Akama, Alberto |
author_role |
author |
author2 |
Cabeceira, Fernando Gonçalves Carvalho, Lucélia Nobre Zuanon, Jansen Akama, Alberto |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Sarmento-Soares, Luisa Maria Cabeceira, Fernando Gonçalves Carvalho, Lucélia Nobre Zuanon, Jansen Akama, Alberto |
description |
Centromochlus actually comprises eleven species, being the most problematic genus among the Centromochlinae, including morphologically heterogeneous taxa. The Centromochlus species have a wide distributional area on northern South America. Centromochlus meridionalis, new species, is described from headwaters of rio Teles Pires, contributor of rio Tapajós, Mato Grosso State, Brazil, and represents one of the southernmost records of a centromochlin catfish for Meridional Amazon rivers. Centromochlus meridionalis is promptly distinguished from its congeners by the small orbital diameter (relative to head length), and also by the combination of absence of first nuchal plate, anterior margin of dorsal-fin spine smooth, six branched rays in anal fin, seven pairs of ribs and 34 vertebrae. They are small sized catfishes with adults between 33 to 61 mm in standard length. The modified male anal fin is conspicuous, with the third unbranched ray enlarged, about twice the width of first unbranched ray. The new species inhabits a region strongly endangered by environmental changes due to expansion of agropecuary activities on Brazilian Amazon, which include this species in an uncertain situation regarding the conservation status of its natural population. © 2013 Sociedade Brasileira de Ictiologia. |
publishDate |
2013 |
dc.date.issued.fl_str_mv |
2013 |
dc.date.accessioned.fl_str_mv |
2020-04-24T16:55:07Z |
dc.date.available.fl_str_mv |
2020-04-24T16:55:07Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
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https://repositorio.inpa.gov.br/handle/1/14587 |
dc.identifier.doi.none.fl_str_mv |
10.1590/S1679-62252013000400007 |
url |
https://repositorio.inpa.gov.br/handle/1/14587 |
identifier_str_mv |
10.1590/S1679-62252013000400007 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Volume 11, Número 4, Pags. 797-808 |
dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ info:eu-repo/semantics/openAccess |
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Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ |
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openAccess |
dc.publisher.none.fl_str_mv |
Neotropical Ichthyology |
publisher.none.fl_str_mv |
Neotropical Ichthyology |
dc.source.none.fl_str_mv |
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