<i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina

Autores
Miquelarena, Amalia María; López, Hugo Luis
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Hyphessobrycon nicolasi is described from the Uruguay River basin in the Mesopotamian Region, Entre Rios, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe of the caudal fin. Other characters defining H. nicolasi are the possession of 1-3 teeth with 3-10 cusps on maxilla; outer premaxillary row with 2-3 small teeth, with 5 or 7 cusps; iv-vi, 27-36 anal-fin rays; 33-36 scales on the longitudinal series; two vertical dark spots on the humeral region; dorsal and anal fins dappled in black and base of caudal fin bearing conspicuous black spot; and the presence of bony hooks on the rays of dorsal, anal and caudal fins of the mature males.
Hyphessobrycon nicolasi é descrito da bacia do rio Uruguai, na Região Mesopotâmica, Entre Ríos, Argentina. A nova espécie pode ser distinguida de suas congêneres pela presença de uma faixa oblíqua preta bem definida na margen de cada lóbo da nadadeira caudal. Outros caracteres que definem H. nicolasi são a presença de 1-3 dentes com 3-10 cúspides no maxilar, fileira externa do pré-maxilar com 2-3 dentes pequenos, com 5 ou 7 cúspides; iv-vi, 27-36 raios na nadadeira anal; 33-36 escamas na série longitudinal; duas manchas verticais pretas na região umeral; nadadeiras dorsal e anal manchadas de negro e base da nadadeira caudal com uma mancha negra conspícua; e pela presença de ganchos ósseos nos raios das nadadeiras dorsal, anal e caudal nos machos maduros.
Facultad de Ciencias Naturales y Museo
Materia
Ciencias Naturales
Zoología
Argentina
Biodiversity
Characidae
Endemism
Hyphessobrycon
Neotropical fish
Ostariophysi
Teleostei
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc/3.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/42536

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network_name_str SEDICI (UNLP)
spelling <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, ArgentinaMiquelarena, Amalia MaríaLópez, Hugo LuisCiencias NaturalesZoologíaArgentinaBiodiversityCharacidaeEndemismHyphessobryconNeotropical fishOstariophysiTeleostei<i>Hyphessobrycon nicolasi</i> is described from the Uruguay River basin in the Mesopotamian Region, Entre Rios, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe of the caudal fin. Other characters defining <i>H. nicolasi</i> are the possession of 1-3 teeth with 3-10 cusps on maxilla; outer premaxillary row with 2-3 small teeth, with 5 or 7 cusps; iv-vi, 27-36 anal-fin rays; 33-36 scales on the longitudinal series; two vertical dark spots on the humeral region; dorsal and anal fins dappled in black and base of caudal fin bearing conspicuous black spot; and the presence of bony hooks on the rays of dorsal, anal and caudal fins of the mature males.<i>Hyphessobrycon nicolasi</i> é descrito da bacia do rio Uruguai, na Região Mesopotâmica, Entre Ríos, Argentina. A nova espécie pode ser distinguida de suas congêneres pela presença de uma faixa oblíqua preta bem definida na margen de cada lóbo da nadadeira caudal. Outros caracteres que definem <i>H. nicolasi</i> são a presença de 1-3 dentes com 3-10 cúspides no maxilar, fileira externa do pré-maxilar com 2-3 dentes pequenos, com 5 ou 7 cúspides; iv-vi, 27-36 raios na nadadeira anal; 33-36 escamas na série longitudinal; duas manchas verticais pretas na região umeral; nadadeiras dorsal e anal manchadas de negro e base da nadadeira caudal com uma mancha negra conspícua; e pela presença de ganchos ósseos nos raios das nadadeiras dorsal, anal e caudal nos machos maduros.Facultad de Ciencias Naturales y Museo2010info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf1-6http://sedici.unlp.edu.ar/handle/10915/42536enginfo:eu-repo/semantics/altIdentifier/url/http://www.scielo.br/pdf/ni/v8n1/v08n1a01.pdfinfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc/3.0/Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T10:57:08Zoai:sedici.unlp.edu.ar:10915/42536Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 10:57:09.198SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina
title <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina
spellingShingle <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina
Miquelarena, Amalia María
Ciencias Naturales
Zoología
Argentina
Biodiversity
Characidae
Endemism
Hyphessobrycon
Neotropical fish
Ostariophysi
Teleostei
title_short <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina
title_full <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina
title_fullStr <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina
title_full_unstemmed <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina
title_sort <i>Hyphessobrycon nicolasi</i> (Teleostei: Characidae) a new species from the Uruguay river basin in the Mesopotamian region, Argentina
dc.creator.none.fl_str_mv Miquelarena, Amalia María
López, Hugo Luis
author Miquelarena, Amalia María
author_facet Miquelarena, Amalia María
López, Hugo Luis
author_role author
author2 López, Hugo Luis
author2_role author
dc.subject.none.fl_str_mv Ciencias Naturales
Zoología
Argentina
Biodiversity
Characidae
Endemism
Hyphessobrycon
Neotropical fish
Ostariophysi
Teleostei
topic Ciencias Naturales
Zoología
Argentina
Biodiversity
Characidae
Endemism
Hyphessobrycon
Neotropical fish
Ostariophysi
Teleostei
dc.description.none.fl_txt_mv <i>Hyphessobrycon nicolasi</i> is described from the Uruguay River basin in the Mesopotamian Region, Entre Rios, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe of the caudal fin. Other characters defining <i>H. nicolasi</i> are the possession of 1-3 teeth with 3-10 cusps on maxilla; outer premaxillary row with 2-3 small teeth, with 5 or 7 cusps; iv-vi, 27-36 anal-fin rays; 33-36 scales on the longitudinal series; two vertical dark spots on the humeral region; dorsal and anal fins dappled in black and base of caudal fin bearing conspicuous black spot; and the presence of bony hooks on the rays of dorsal, anal and caudal fins of the mature males.
<i>Hyphessobrycon nicolasi</i> é descrito da bacia do rio Uruguai, na Região Mesopotâmica, Entre Ríos, Argentina. A nova espécie pode ser distinguida de suas congêneres pela presença de uma faixa oblíqua preta bem definida na margen de cada lóbo da nadadeira caudal. Outros caracteres que definem <i>H. nicolasi</i> são a presença de 1-3 dentes com 3-10 cúspides no maxilar, fileira externa do pré-maxilar com 2-3 dentes pequenos, com 5 ou 7 cúspides; iv-vi, 27-36 raios na nadadeira anal; 33-36 escamas na série longitudinal; duas manchas verticais pretas na região umeral; nadadeiras dorsal e anal manchadas de negro e base da nadadeira caudal com uma mancha negra conspícua; e pela presença de ganchos ósseos nos raios das nadadeiras dorsal, anal e caudal nos machos maduros.
Facultad de Ciencias Naturales y Museo
description <i>Hyphessobrycon nicolasi</i> is described from the Uruguay River basin in the Mesopotamian Region, Entre Rios, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe of the caudal fin. Other characters defining <i>H. nicolasi</i> are the possession of 1-3 teeth with 3-10 cusps on maxilla; outer premaxillary row with 2-3 small teeth, with 5 or 7 cusps; iv-vi, 27-36 anal-fin rays; 33-36 scales on the longitudinal series; two vertical dark spots on the humeral region; dorsal and anal fins dappled in black and base of caudal fin bearing conspicuous black spot; and the presence of bony hooks on the rays of dorsal, anal and caudal fins of the mature males.
publishDate 2010
dc.date.none.fl_str_mv 2010
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Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)
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