A new species of Acestrocephalus (Characiformes: Characidae) from Venezuela



Document title: A new species of Acestrocephalus (Characiformes: Characidae) from Venezuela
Journal: Revista de biología tropical
Database: PERIÓDICA
System number: 000175972
ISSN: 0034-7744
Authors: 1
2
Institutions: 1Fundación La Salle de Ciencias Naturales, Museo de Historia Natural La Salle, Caracas, Distrito Federal. Venezuela
2Universidad Nacional Experimental Simón Rodríguez, Guanare, Portuguesa. Venezuela
Year:
Volumen: 48
Number: 2-3
Pages: 443-447
Country: Costa Rica
Language: Inglés
Document type: Nota breve o noticia
Approach: Analítico, descriptivo
English abstract A new species of Acestrocephalus is described from 60 specimens collected in the Río Orinoco and Río Negro drainages, Venezuela. This species is distinguished. from aH other Acestrocephalus by the combination of the foHowing characters: anal rays, 29-36; 63-71 perforated scales on (he lateral line; 10-12 scales aboye and 9-12 below the lateral line; 39-52 teeth on the maxil!ary; 9-12 premaxillary teeth; 8-12 teeth in the inner row on the dentary; 5-7 gil! rakers on the lower part of (he first gil! arch; humeral, peduncular and caudal blotch absent
Disciplines: Biología
Keyword: Peces,
Taxonomía y sistemática,
Characiformes,
Characidae,
Acestrocephalus,
Nuevas especies,
Río Orinoco,
Río Negro,
Venezuela
Keyword: Biology,
Fish,
Taxonomy and systematics,
Characiformes,
Characidae,
Acestrocephalus,
New species,
Orinoco river,
Negro river,
Venezuela
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