Redescription of <i>Astyanax erythropterus</i> (Holmberg, 1891) (<i>Teleostei: Characiformes: Characidae</i>) from La Plata basin in Argentina

Astyanax erythropterus (Holmberg, 1891) originally described on the basis of one juvenile, is redescribed herein based on juveniles and adults from the type-localiy. The species differs from its congeners by the combination of 11-13 transverse rows scales above lateral line and 8-10 rows below later...

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Autores principales: Soneira, Paula, Casciotta, Jorge Rafael, Almirón, Adriana Edith, Ciotek, Liliana, Giorgis, Pablo
Formato: Articulo
Lenguaje:Inglés
Publicado: 2010
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Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/35163
http://www.scielo.br/pdf/ni/v8n4/aop1110.pdf
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Sumario:Astyanax erythropterus (Holmberg, 1891) originally described on the basis of one juvenile, is redescribed herein based on juveniles and adults from the type-localiy. The species differs from its congeners by the combination of 11-13 transverse rows scales above lateral line and 8-10 rows below lateral line; 49-54 perforated scales in the lateral series; iii-v,38-42 anal-fin rays, and dorsal, anal and caudal fins vermilion red in juveniles. The vermilion red coloration of unpaired fins in juveniles of Astyanax is only known in A. correntinus. © 2010 Sociedade Brasileira de Ictiologia.