Publicação: Three new species of Curimatopsis (Characiformes: Curimatidae) from the Amazon basin
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Wiley-Blackwell
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Resumo
Three new species of Curimatopsis are described from major tributaries of the Amazon basin. Curimatopsis guaporensis n. sp., from the Rio Madeira, belongs to the Curimatopsis evelynae clade and can be distinguished by the distinctive shape of the dark blotch on the caudal peduncle and by the position and shape of the nostrils. Curimatopsis pallida n. sp., from the Rio Negro, also related to C. evelynae, is distinguished from all congeners by the complete absence of pigmentation on the lateral surface of the caudal peduncle. Curimatopsis jaci n. sp., apparently endemic to the upper Rio Tapajos, belongs to the Curimatopsis macrolepis clade and differs from all congeners in details of body pigmentation. Meristic and morphometric features supplement diagnoses for the three new species. These species are hypothesized to belong to the two main clades of Curimatopsis on the basis of previous studies of osteology and external morphology and supplement a recent genetic study that revealed several cryptic and yet undescribed species within the genus. An updated identification key to the species of Curimatopsis is also provided.
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biodiversity, Curimatopsis, fresh water, Neotropics, South America, taxonomy
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Inglês
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Journal Of Fish Biology. Hoboken: Wiley, v. 91, n. 2, p. 528-544, 2017.
