Moenkhausia rubra, a new species from rio Juruena, upper rio Tapajós basin, Brazil (Characiformes: Characidae)

Autor(es)

Murilo N. L. Pastana ^[1] ; Fernando C. P. Dagosta ^[2]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, FFCLRP, Dept Biol, Lab Ictiol Ribeirao Preto, BR-14040901 Ribeirao Preto, SP - Brazil

^[2] Univ Sao Paulo, Museu Zool, BR-04218970 Sao Paulo - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Neotropical Ichthyology; v. 12, n. 2, p. 389-396, 2014-06-00.

Resumo

Moenkhausia rubra, new species, is described from the upper rio Juruena, rio Tapajós basin, Mato Grosso, Brazil. The new species is distinguished from its congeners, except M. hemigrammoidesand M. nigromarginata, by the dark pigmentation on the anteriormost rays of both dorsal and anal fins. Moenkhausia rubrais distinguished from the aforementioned species by the number of branched anal-fin rays 17-20 (vs. 20-25), presence of a dark blotch on the caudal peduncle extending to middle caudal-fin rays, absence of longitudinal black zigzag stripes between longitudinal rows of scales on body, and other details of coloration. (AU)

• Processo FAPESP: 12/22685-2 - Canais e poros do sistema látero-sensorial cefálico de Characiformes (Ostariophysi): anatomia e seu significado filogenético.
• Beneficiário: Murilo Nogueira de Lima Pastana
• Modalidade de apoio: Bolsas no Brasil - Mestrado