Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/221499 |
Resumo: | The southern region of Brazil is characterized by high species diversity and endemism of freshwater fishes distributed across geographically isolated river basins. Microglanis cottoides has a widespread range across these river basins and occurs in sympatry with other endemic species of the genus (e.g. M. cibelae, M. eurystoma, and M. malabarbai). Herein we tested the monophyly of M. cottoides and presented for the first time information about the molecular phylogeny of species in the genus. The results suggest that M. cottoides currently forms a non-monophyletic group which includes populations endemic to the Uruguay River basin that are more closely related to M. malabarbai, and excludes M. cibelae, found to be nested within M. cottoides. Based on an integrative approach using morphological and molecular data, we propose M. cibelae as a junior synonym of M. cottoides, and the populations of the Uruguay River basin previously assigned to M. cottoides in fact belong to M. malabarbai. Our molecular phylogeny shows that M. cottoides is sister to M. parahybae, which is also a coastal species, and M. malabarbai is sister of M. garavelloi, both endemic to inland river basins. The time-calibrated phylogeny indicates that the separation between inland and the coastal clades occurred in the Tertiary period, and that the species within the coastal basins diverged in the Pliocene, which overlaps with the diversification times estimated for the two inland species as well. This pattern of diversification corroborates some previous studies with other fishes from the same region. |
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Souza-Shibatta, LeniceTonini, João Filipe RivaAbrahão, Vitor PimentaJarduli, Lucas RibeiroOliveira, Claudio deMalabarba, Luiz RobertoSofia, Silvia HelenaShibatta, Oscar Akio2021-05-26T04:33:21Z20181932-6203http://hdl.handle.net/10183/221499001104675The southern region of Brazil is characterized by high species diversity and endemism of freshwater fishes distributed across geographically isolated river basins. Microglanis cottoides has a widespread range across these river basins and occurs in sympatry with other endemic species of the genus (e.g. M. cibelae, M. eurystoma, and M. malabarbai). Herein we tested the monophyly of M. cottoides and presented for the first time information about the molecular phylogeny of species in the genus. The results suggest that M. cottoides currently forms a non-monophyletic group which includes populations endemic to the Uruguay River basin that are more closely related to M. malabarbai, and excludes M. cibelae, found to be nested within M. cottoides. Based on an integrative approach using morphological and molecular data, we propose M. cibelae as a junior synonym of M. cottoides, and the populations of the Uruguay River basin previously assigned to M. cottoides in fact belong to M. malabarbai. Our molecular phylogeny shows that M. cottoides is sister to M. parahybae, which is also a coastal species, and M. malabarbai is sister of M. garavelloi, both endemic to inland river basins. The time-calibrated phylogeny indicates that the separation between inland and the coastal clades occurred in the Tertiary period, and that the species within the coastal basins diverged in the Pliocene, which overlaps with the diversification times estimated for the two inland species as well. This pattern of diversification corroborates some previous studies with other fishes from the same region.application/pdfengPLoS ONE. San Francisco. Vol. 13, no. 7 (Jul. 2018), e0199963, 20 p.Microglanis cottoidesTaxonomia animalPeixes : Água docePeixes : Uruguai, RioCatfishesFish diversityGeographical distribution of fishesFreshwater FishesSouth BrazilReappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern BrazilEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001104675.pdf.txt001104675.pdf.txtExtracted Texttext/plain72850http://www.lume.ufrgs.br/bitstream/10183/221499/2/001104675.pdf.txt8747c2c6dc35fd6e932e07b5cdd17a60MD52ORIGINAL001104675.pdfTexto completo (inglês)application/pdf11243184http://www.lume.ufrgs.br/bitstream/10183/221499/1/001104675.pdfac2889a1ebea162710a0b8e21b8dff94MD5110183/2214992023-09-23 03:35:10.229743oai:www.lume.ufrgs.br:10183/221499Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-09-23T06:35:10Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil |
title |
Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil |
spellingShingle |
Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil Souza-Shibatta, Lenice Microglanis cottoides Taxonomia animal Peixes : Água doce Peixes : Uruguai, Rio Catfishes Fish diversity Geographical distribution of fishes Freshwater Fishes South Brazil |
title_short |
Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil |
title_full |
Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil |
title_fullStr |
Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil |
title_full_unstemmed |
Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil |
title_sort |
Reappraisal of the systematics of Microglanis cottoides (Siluriformes, Pseudopimelodidae), a catfish from southern Brazil |
author |
Souza-Shibatta, Lenice |
author_facet |
Souza-Shibatta, Lenice Tonini, João Filipe Riva Abrahão, Vitor Pimenta Jarduli, Lucas Ribeiro Oliveira, Claudio de Malabarba, Luiz Roberto Sofia, Silvia Helena Shibatta, Oscar Akio |
author_role |
author |
author2 |
Tonini, João Filipe Riva Abrahão, Vitor Pimenta Jarduli, Lucas Ribeiro Oliveira, Claudio de Malabarba, Luiz Roberto Sofia, Silvia Helena Shibatta, Oscar Akio |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Souza-Shibatta, Lenice Tonini, João Filipe Riva Abrahão, Vitor Pimenta Jarduli, Lucas Ribeiro Oliveira, Claudio de Malabarba, Luiz Roberto Sofia, Silvia Helena Shibatta, Oscar Akio |
dc.subject.por.fl_str_mv |
Microglanis cottoides Taxonomia animal Peixes : Água doce Peixes : Uruguai, Rio |
topic |
Microglanis cottoides Taxonomia animal Peixes : Água doce Peixes : Uruguai, Rio Catfishes Fish diversity Geographical distribution of fishes Freshwater Fishes South Brazil |
dc.subject.eng.fl_str_mv |
Catfishes Fish diversity Geographical distribution of fishes Freshwater Fishes South Brazil |
description |
The southern region of Brazil is characterized by high species diversity and endemism of freshwater fishes distributed across geographically isolated river basins. Microglanis cottoides has a widespread range across these river basins and occurs in sympatry with other endemic species of the genus (e.g. M. cibelae, M. eurystoma, and M. malabarbai). Herein we tested the monophyly of M. cottoides and presented for the first time information about the molecular phylogeny of species in the genus. The results suggest that M. cottoides currently forms a non-monophyletic group which includes populations endemic to the Uruguay River basin that are more closely related to M. malabarbai, and excludes M. cibelae, found to be nested within M. cottoides. Based on an integrative approach using morphological and molecular data, we propose M. cibelae as a junior synonym of M. cottoides, and the populations of the Uruguay River basin previously assigned to M. cottoides in fact belong to M. malabarbai. Our molecular phylogeny shows that M. cottoides is sister to M. parahybae, which is also a coastal species, and M. malabarbai is sister of M. garavelloi, both endemic to inland river basins. The time-calibrated phylogeny indicates that the separation between inland and the coastal clades occurred in the Tertiary period, and that the species within the coastal basins diverged in the Pliocene, which overlaps with the diversification times estimated for the two inland species as well. This pattern of diversification corroborates some previous studies with other fishes from the same region. |
publishDate |
2018 |
dc.date.issued.fl_str_mv |
2018 |
dc.date.accessioned.fl_str_mv |
2021-05-26T04:33:21Z |
dc.type.driver.fl_str_mv |
Estrangeiro info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/221499 |
dc.identifier.issn.pt_BR.fl_str_mv |
1932-6203 |
dc.identifier.nrb.pt_BR.fl_str_mv |
001104675 |
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1932-6203 001104675 |
url |
http://hdl.handle.net/10183/221499 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
PLoS ONE. San Francisco. Vol. 13, no. 7 (Jul. 2018), e0199963, 20 p. |
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info:eu-repo/semantics/openAccess |
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openAccess |
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