A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae)

A new characid species is described from the rio Jacuí basin, a coastal drainage from southern Brazil. Itis morphologically most similar to its sympatric congeners Oligosarcus jenynsii and O. jacuiensis , but can be distinguished from both species in having the interorbital region wider and the pect...

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Main Authors: Naércio Aquino Menezes, Alexandre Cunha Ribeiro
Format: Article
Language:English
Published: Sociedade Brasileira de Ictiologia
Series:Neotropical Ichthyology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252015000300541&lng=en&tlng=en
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author Naércio Aquino Menezes
Alexandre Cunha Ribeiro
author_facet Naércio Aquino Menezes
Alexandre Cunha Ribeiro
author_sort Naércio Aquino Menezes
collection DOAJ
description A new characid species is described from the rio Jacuí basin, a coastal drainage from southern Brazil. Itis morphologically most similar to its sympatric congeners Oligosarcus jenynsii and O. jacuiensis , but can be distinguished from both species in having the interorbital region wider and the pectoral fin shorter and additionally from O. jenynsii in having a smaller orbital diameter.
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spelling doaj.art-0f18af64636d4e3984f35b73e2e72c492022-12-21T17:25:03ZengSociedade Brasileira de IctiologiaNeotropical Ichthyology1982-022413354154610.1590/1982-0224-20150083S1679-62252015000300541A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae)Naércio Aquino MenezesAlexandre Cunha RibeiroA new characid species is described from the rio Jacuí basin, a coastal drainage from southern Brazil. Itis morphologically most similar to its sympatric congeners Oligosarcus jenynsii and O. jacuiensis , but can be distinguished from both species in having the interorbital region wider and the pectoral fin shorter and additionally from O. jenynsii in having a smaller orbital diameter.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252015000300541&lng=en&tlng=enFreshwater fishNeotropicalSouth AmericaSystematicsTaxonomy
spellingShingle Naércio Aquino Menezes
Alexandre Cunha Ribeiro
A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae)
Neotropical Ichthyology
Freshwater fish
Neotropical
South America
Systematics
Taxonomy
title A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae)
title_full A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae)
title_fullStr A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae)
title_full_unstemmed A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae)
title_short A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae)
title_sort new species of the lowland oligosarcus gunther species group teleostei ostariophysi characidae
topic Freshwater fish
Neotropical
South America
Systematics
Taxonomy
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252015000300541&lng=en&tlng=en
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