Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay

Autores
Loureiro, Marcelo; Azpelicueta, María de las Mercedes; García, Graciela
Año de publicación
2004
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The annual fish Austrolebias arachan is described from temporary ponds of Río Tacuarí (Los PatosMerín system) and Río Negro (Río Uruguay drainage) basins. Austrolebias arachan is easily distinguished from other Austrolebias species by the combination of the following characters: body of males dark brown to black, with light narrow yellow vertical bands, dorsal fin dark brown with vertically elongated light yellow dots in the proximal half, pectoral fin light grey with margin black; females with anterior anal fin rays elongated, forming a triangular-shaped fin. Both sexes with pelvic fins joined to each other in different degrees; two to four parietal neuromasts; three pectoral radiais in most individuals. The new species is closely related to A. adloffi species group and to A. viarius.
Facultad de Ciencias Naturales y Museo
Materia
Ciencias Naturales
Austrolebias
Cyprinodontiformes
Los Patos System
Rivulidae
Uruguay basin
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/83300
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/83300
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern UruguayLoureiro, MarceloAzpelicueta, María de las MercedesGarcía, GracielaCiencias NaturalesAustrolebiasCyprinodontiformesLos Patos SystemRivulidaeUruguay basinThe annual fish Austrolebias arachan is described from temporary ponds of Río Tacuarí (Los PatosMerín system) and Río Negro (Río Uruguay drainage) basins. Austrolebias arachan is easily distinguished from other Austrolebias species by the combination of the following characters: body of males dark brown to black, with light narrow yellow vertical bands, dorsal fin dark brown with vertically elongated light yellow dots in the proximal half, pectoral fin light grey with margin black; females with anterior anal fin rays elongated, forming a triangular-shaped fin. Both sexes with pelvic fins joined to each other in different degrees; two to four parietal neuromasts; three pectoral radiais in most individuals. The new species is closely related to A. adloffi species group and to A. viarius.Facultad de Ciencias Naturales y Museo2004info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf21-30http://sedici.unlp.edu.ar/handle/10915/83300enginfo:eu-repo/semantics/altIdentifier/issn/0035-418Xinfo:eu-repo/semantics/altIdentifier/doi/10.5962/bhl.part.80223info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T16:56:38Zoai:sedici.unlp.edu.ar:10915/83300Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 16:56:38.361SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay
title Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay
spellingShingle Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay
Loureiro, Marcelo
Ciencias Naturales
Austrolebias
Cyprinodontiformes
Los Patos System
Rivulidae
Uruguay basin
title_short Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay
title_full Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay
title_fullStr Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay
title_full_unstemmed Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay
title_sort Austrolebias arachan (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay
dc.creator.none.fl_str_mv Loureiro, Marcelo
Azpelicueta, María de las Mercedes
García, Graciela
author Loureiro, Marcelo
author_facet Loureiro, Marcelo
Azpelicueta, María de las Mercedes
García, Graciela
author_role author
author2 Azpelicueta, María de las Mercedes
García, Graciela
author2_role author
author
dc.subject.none.fl_str_mv Ciencias Naturales
Austrolebias
Cyprinodontiformes
Los Patos System
Rivulidae
Uruguay basin
topic Ciencias Naturales
Austrolebias
Cyprinodontiformes
Los Patos System
Rivulidae
Uruguay basin
dc.description.none.fl_txt_mv The annual fish Austrolebias arachan is described from temporary ponds of Río Tacuarí (Los PatosMerín system) and Río Negro (Río Uruguay drainage) basins. Austrolebias arachan is easily distinguished from other Austrolebias species by the combination of the following characters: body of males dark brown to black, with light narrow yellow vertical bands, dorsal fin dark brown with vertically elongated light yellow dots in the proximal half, pectoral fin light grey with margin black; females with anterior anal fin rays elongated, forming a triangular-shaped fin. Both sexes with pelvic fins joined to each other in different degrees; two to four parietal neuromasts; three pectoral radiais in most individuals. The new species is closely related to A. adloffi species group and to A. viarius.
Facultad de Ciencias Naturales y Museo
description The annual fish Austrolebias arachan is described from temporary ponds of Río Tacuarí (Los PatosMerín system) and Río Negro (Río Uruguay drainage) basins. Austrolebias arachan is easily distinguished from other Austrolebias species by the combination of the following characters: body of males dark brown to black, with light narrow yellow vertical bands, dorsal fin dark brown with vertically elongated light yellow dots in the proximal half, pectoral fin light grey with margin black; females with anterior anal fin rays elongated, forming a triangular-shaped fin. Both sexes with pelvic fins joined to each other in different degrees; two to four parietal neuromasts; three pectoral radiais in most individuals. The new species is closely related to A. adloffi species group and to A. viarius.
publishDate 2004
dc.date.none.fl_str_mv 2004
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/83300
url http://sedici.unlp.edu.ar/handle/10915/83300
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0035-418X
info:eu-repo/semantics/altIdentifier/doi/10.5962/bhl.part.80223
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
21-30
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 12.982451

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