A new species of Moenkhausia Eigenmann, 1903 (Characiformes, Characidae) from the rio Amazonas basin, Brazil

Author(s)

Oliveira, Gustavo D. ^[1] ; Marinho, Manoela M. F. ^[2]

Affiliation

^[1] Univ Santa Cecilia, Rua Oswaldo Cruz 277, BR-11045907 Santos, SP - Brazil

^[2] Univ Sao Paulo, Museu Zool, Ave Nazare 481, BR-04203001 Sao Paulo, SP - Brazil

• Document type: Journal article
• Source: Zootaxa; v. 4093, n. 4, p. 566-574, MAR 24 2016.
• Web of Science Citations: 5

Abstract

Moenkhausia abyss is herein described from the rio Amazonas basin lowlands. The new species can be distinguished from the congeners by presenting the combination of the following characters: a dark blotch located on the upper caudal-fin lobe and the lower lobe hyaline, 25-29 branched anal-fin rays, humeral spot rectangular, vertically oriented, extending horizontally through two or two and a half scales and located over the third to the fifth lateral line scales, five longitudinal scale rows above the lateral line, predorsal scales arranged in a single not interrupted median row and 30-34 perforated lateral line scales. Brief comments on Moenkhausia megalops are provided. (AU)

• FAPESP's process: 14/11911-7 - Heterochrony and miniaturization: a comparative study of ontogeny in the Characidae (Teleostei: Characiformes)
• Grantee: Manoela Maria Marinho Koh
• Support Opportunities: Scholarships in Brazil - Post-Doctoral