A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional do INPA |
Texto Completo: | https://repositorio.inpa.gov.br/handle/1/14576 |
Resumo: | A new Metynnis is described from the rio Negro in Brazil and Venezuela, and from black- or clearwater tributaries in Brazil including the rios Parauari, Uatumã, Trombetas, and Sucunduri (the latter belonging to the rio Madeira basin). The new species can be distinguished readily from all congeners by having a high concentration of dark chromatophores on the lateral line scales. It can be further distinguished by the combination of head length 24.3-27.5% of SL, 13-18 gill-rakers on upper limb and 16-24 gill-rakers on lower limb. The new species is most similar to and likely most closely related to Metynnis hypsauchen. These two species share a similar color pattern, body shape and sexual dimorphism of the anal fin. However, they differ in that M. hypsauchen has a lightly pigmented lateral line. The new species is also distinguished from M. hypsauchen by having 56-65 predorsal scales and 90-104 lateral line scales (vs. 36-54, and 65-82, respectively). A detailed osteological description of the new species is provided. © 2016, Sociedade Brasileira de Ictiologia. All rights reserved. |
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Ota, Rafaela PriscilaPy-daniel, Lúcia RappJegú, Michel2020-04-24T16:55:02Z2020-04-24T16:55:02Z2016https://repositorio.inpa.gov.br/handle/1/1457610.1590/1982-0224-20160023A new Metynnis is described from the rio Negro in Brazil and Venezuela, and from black- or clearwater tributaries in Brazil including the rios Parauari, Uatumã, Trombetas, and Sucunduri (the latter belonging to the rio Madeira basin). The new species can be distinguished readily from all congeners by having a high concentration of dark chromatophores on the lateral line scales. It can be further distinguished by the combination of head length 24.3-27.5% of SL, 13-18 gill-rakers on upper limb and 16-24 gill-rakers on lower limb. The new species is most similar to and likely most closely related to Metynnis hypsauchen. These two species share a similar color pattern, body shape and sexual dimorphism of the anal fin. However, they differ in that M. hypsauchen has a lightly pigmented lateral line. The new species is also distinguished from M. hypsauchen by having 56-65 predorsal scales and 90-104 lateral line scales (vs. 36-54, and 65-82, respectively). A detailed osteological description of the new species is provided. © 2016, Sociedade Brasileira de Ictiologia. All rights reserved.Volume 14, Número 4Attribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessA new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuelainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleNeotropical Ichthyologyengreponame:Repositório Institucional do INPAinstname:Instituto Nacional de Pesquisas da Amazônia (INPA)instacron:INPAORIGINALartigo-inpa.pdfapplication/pdf8220326https://repositorio.inpa.gov.br/bitstream/1/14576/1/artigo-inpa.pdff5bf0264c760220bd57e213cf64df8d4MD51CC-LICENSElicense_rdfapplication/octet-stream914https://repositorio.inpa.gov.br/bitstream/1/14576/2/license_rdf4d2950bda3d176f570a9f8b328dfbbefMD521/145762020-07-14 09:12:16.923oai:repositorio:1/14576Repositório de PublicaçõesPUBhttps://repositorio.inpa.gov.br/oai/requestopendoar:2020-07-14T13:12:16Repositório Institucional do INPA - Instituto Nacional de Pesquisas da Amazônia (INPA)false |
dc.title.en.fl_str_mv |
A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela |
title |
A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela |
spellingShingle |
A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela Ota, Rafaela Priscila |
title_short |
A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela |
title_full |
A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela |
title_fullStr |
A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela |
title_full_unstemmed |
A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela |
title_sort |
A new silver dollar species of Metynnis cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela |
author |
Ota, Rafaela Priscila |
author_facet |
Ota, Rafaela Priscila Py-daniel, Lúcia Rapp Jegú, Michel |
author_role |
author |
author2 |
Py-daniel, Lúcia Rapp Jegú, Michel |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Ota, Rafaela Priscila Py-daniel, Lúcia Rapp Jegú, Michel |
description |
A new Metynnis is described from the rio Negro in Brazil and Venezuela, and from black- or clearwater tributaries in Brazil including the rios Parauari, Uatumã, Trombetas, and Sucunduri (the latter belonging to the rio Madeira basin). The new species can be distinguished readily from all congeners by having a high concentration of dark chromatophores on the lateral line scales. It can be further distinguished by the combination of head length 24.3-27.5% of SL, 13-18 gill-rakers on upper limb and 16-24 gill-rakers on lower limb. The new species is most similar to and likely most closely related to Metynnis hypsauchen. These two species share a similar color pattern, body shape and sexual dimorphism of the anal fin. However, they differ in that M. hypsauchen has a lightly pigmented lateral line. The new species is also distinguished from M. hypsauchen by having 56-65 predorsal scales and 90-104 lateral line scales (vs. 36-54, and 65-82, respectively). A detailed osteological description of the new species is provided. © 2016, Sociedade Brasileira de Ictiologia. All rights reserved. |
publishDate |
2016 |
dc.date.issued.fl_str_mv |
2016 |
dc.date.accessioned.fl_str_mv |
2020-04-24T16:55:02Z |
dc.date.available.fl_str_mv |
2020-04-24T16:55:02Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://repositorio.inpa.gov.br/handle/1/14576 |
dc.identifier.doi.none.fl_str_mv |
10.1590/1982-0224-20160023 |
url |
https://repositorio.inpa.gov.br/handle/1/14576 |
identifier_str_mv |
10.1590/1982-0224-20160023 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Volume 14, Número 4 |
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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/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Neotropical Ichthyology |
publisher.none.fl_str_mv |
Neotropical Ichthyology |
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Repositório Institucional do INPA |
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