A new species of Astyanax (Characiformes, Characidae) from the upper río Bermejo basin, Salta, Argentina

Astyanax latens sp. n., from the Bermejo river basin, is described in this paper. Astyanax latens is diagnosed by a combination of characters: somewhat rhomboidal body; presence of 24-29 branched anal fin rays; 1-4 maxillary teeth; long pectoral fins (23.2-26.6 % of SL) always reaching one third of...

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Autores principales: Mirande, Juan Marcos, Aguilera, Gastón, Azpelicueta, María de las Mercedes
Formato: Articulo
Lenguaje:Inglés
Publicado: 2004
Materias:
Zoología
Astyanax
Characidae
Characiformes
New species
Río Bermejo basin
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/83315
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-83315
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Zoología
Astyanax
Characidae
Characiformes
New species
Río Bermejo basin
spellingShingle Zoología
Astyanax
Characidae
Characiformes
New species
Río Bermejo basin
Mirande, Juan Marcos
Aguilera, Gastón
Azpelicueta, María de las Mercedes
A new species of Astyanax (Characiformes, Characidae) from the upper río Bermejo basin, Salta, Argentina
topic_facet Zoología
Astyanax
Characidae
Characiformes
New species
Río Bermejo basin
description Astyanax latens sp. n., from the Bermejo river basin, is described in this paper. Astyanax latens is diagnosed by a combination of characters: somewhat rhomboidal body; presence of 24-29 branched anal fin rays; 1-4 maxillary teeth; long pectoral fins (23.2-26.6 % of SL) always reaching one third of pelvic fin; long pelvic fins (17.6-22.0 % of SL) always surpassing anal fin origin; anal fin base long (32.3-36.7 % of SL); 26-27 gill rakers on first branchial arch; lateral band extremely narrow; one large vertically elongated humeral spot and a second one very faint; relatively shallow caudal peduncle (10.0-11.4 % SL); fifth tooth of inner premaxillary series very small and scarcely posterior to main series; origin of anal fin below dorsal fin.
format Articulo
Articulo
author Mirande, Juan Marcos
Aguilera, Gastón
Azpelicueta, María de las Mercedes
author_facet Mirande, Juan Marcos
Aguilera, Gastón
Azpelicueta, María de las Mercedes
author_sort Mirande, Juan Marcos
title A new species of Astyanax (Characiformes, Characidae) from the upper río Bermejo basin, Salta, Argentina
title_short A new species of Astyanax (Characiformes, Characidae) from the upper río Bermejo basin, Salta, Argentina
title_full A new species of Astyanax (Characiformes, Characidae) from the upper río Bermejo basin, Salta, Argentina
title_fullStr A new species of Astyanax (Characiformes, Characidae) from the upper río Bermejo basin, Salta, Argentina
title_full_unstemmed A new species of Astyanax (Characiformes, Characidae) from the upper río Bermejo basin, Salta, Argentina
title_sort new species of astyanax (characiformes, characidae) from the upper río bermejo basin, salta, argentina
publishDate 2004
url http://sedici.unlp.edu.ar/handle/10915/83315
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