versão impressa ISSN 1984-4670
JEREP, Fernando C; CARVALHO, Fernando R e BERTACO, Vinicius A. Geographic distribution of Hemigrammus ora (Ostariophysi: Characiformes: Characidae) in the Amazon basin, Brazil. Zoologia (Curitiba, Impr.) [online]. 2011, vol.28, n.4, pp.545-550. ISSN 1984-4670. http://dx.doi.org/10.1590/S1984-46702011000400019.
New records of Hemigrammus ora Zarske, Le Bail & Géry, 2006, previously believed to be endemic to the French Guiana drainages, are confirmed for Brazilian drainages. The species is reported from the Tocantins-Araguaia system and lower Amazon River. Morphometric and meristic data, previously undescribed morphological traits related to caudal-fin squamation and anal-fin hooks, and geographic variation are presented for the species.
Palavras-chave : French Guiana; Tocantins-Araguaia River basin; Guyana shield; Brazilian shield.