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|Title:||A new species of hemigrammus (characiformes: characidae) from western Amazon river basin, Colombia|
|Author:||Albornoz-Garzón, Juan G.|
Lima, Flávio C. T.
|Abstract:||A new species of Hemigrammus is described from the Amazon Basin near Leticia, Departamento Amazonas, Colombia. In common with some congeners and some Hyphessobrycon spp., the new species colour pattern lacks a humeral blotch but has a caudal-peduncle blotch. It can be distinguished from congeners with a similar colour pattern by having: a relatively deep body (30.2%–39.0% LS), 20–24 branched anal-fin rays, 6–8 perforated scales of the lateral line, anal-fin base without a conspicuous black stripe, 3–5 maxillary teeth, maxillary teeth with 1–3 cusps, a thin longitudinal midlateral line and a well-defined oval shaped caudal blotch, extending from caudal peduncle into the lower caudal-fin rays. Comparisons with congeners and with Hyphessobrycon species sharing the same general colour pattern are presented|
|Subject:||Peixe de agua doce|
|Appears in Collections:||IB - Artigos e Outros Documentos|
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