Astyanax hermosus, a new species from the Primero River basin, Córdoba, Argentina (Characiformes, Characidae)

A new species of the characid genus Astyanax is described from the endorheic Primero River basin, in central Argentina: Astyanax hermosus sp. n. This species can be distinguished from all other in the genus by the following combination of characters: body relatively low (33.1-38.7% SL); head short (...

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Detalles Bibliográficos
Autores principales: Miquelarena, Amalia María, Protogino, Lucila Cristina, López, Hugo Luis
Formato: Articulo
Lenguaje:Inglés
Publicado: 2005
Materias:
Ciencias Naturales
Ostariophysi; Characidae; Astyanax; new species; taxonomy; biodiversity; Central Argentina
Peces
Biodiversidad
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/65900
https://www.biodiversitylibrary.org/item/128360#page/15/mode/1up
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-65900
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Naturales
Ostariophysi; Characidae; Astyanax; new species; taxonomy; biodiversity; Central Argentina
Peces
Biodiversidad
spellingShingle Ciencias Naturales
Ostariophysi; Characidae; Astyanax; new species; taxonomy; biodiversity; Central Argentina
Peces
Biodiversidad
Miquelarena, Amalia María
Protogino, Lucila Cristina
López, Hugo Luis
Astyanax hermosus, a new species from the Primero River basin, Córdoba, Argentina (Characiformes, Characidae)
topic_facet Ciencias Naturales
Ostariophysi; Characidae; Astyanax; new species; taxonomy; biodiversity; Central Argentina
Peces
Biodiversidad
description A new species of the characid genus Astyanax is described from the endorheic Primero River basin, in central Argentina: Astyanax hermosus sp. n. This species can be distinguished from all other in the genus by the following combination of characters: body relatively low (33.1-38.7% SL); head short (23.5-27.1% SL); snout short (18.3-26.6% HL); interorbital broad (34.9-41.5% HL); maxilla with 1-3 teeth, usually one; iv-v, 17-22 anal-fin rays; 35-38 perforated scales on the lateral line; transverse scales 7/6; and distinctive color pattern, with Y-shaped humeral spot, a broad grayish longitudinal stripe on the flanks, extending weakly onto the middle caudal-fin rays, and extremely dark opercular, subopercular and preopercular regions. In addition, the males of the new species are distinguished by the presence of bony hooks in all their fins.
format Articulo
Articulo
author Miquelarena, Amalia María
Protogino, Lucila Cristina
López, Hugo Luis
author_facet Miquelarena, Amalia María
Protogino, Lucila Cristina
López, Hugo Luis
author_sort Miquelarena, Amalia María
title Astyanax hermosus, a new species from the Primero River basin, Córdoba, Argentina (Characiformes, Characidae)
title_short Astyanax hermosus, a new species from the Primero River basin, Córdoba, Argentina (Characiformes, Characidae)
title_full Astyanax hermosus, a new species from the Primero River basin, Córdoba, Argentina (Characiformes, Characidae)
title_fullStr Astyanax hermosus, a new species from the Primero River basin, Córdoba, Argentina (Characiformes, Characidae)
title_full_unstemmed Astyanax hermosus, a new species from the Primero River basin, Córdoba, Argentina (Characiformes, Characidae)
title_sort astyanax hermosus, a new species from the primero river basin, córdoba, argentina (characiformes, characidae)
publishDate 2005
url http://sedici.unlp.edu.ar/handle/10915/65900
https://www.biodiversitylibrary.org/item/128360#page/15/mode/1up
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AT protoginolucilacristina astyanaxhermosusanewspeciesfromtheprimeroriverbasincordobaargentinacharaciformescharacidae
AT lopezhugoluis astyanaxhermosusanewspeciesfromtheprimeroriverbasincordobaargentinacharaciformescharacidae
bdutipo_str Repositorios
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