title: Knodus dorsomaculatus (Characiformes: Characidae), a new species from Teles Pires River, Tapajós River basin, Brazil.
abstract: Knodus dorsomaculatus, a new species, is described from Teles Pires River, a tributary of the Tapajós River, Brazil. It can be distinguished from its congeners by the presence of a conspicuous dark blotch on the base of the first five branched dorsal fin rays and the presence of ii,9 dorsal fin rays. Additional comparisons between K. dorsomaculatus and its congeners are presented.
authors.affiliation: Museu de Zoologia da Universidade de São Paulo, Caixa Postal 42494, 04299-970, São Paulo, SP, Brazil. katiane@usp.br
authors.forename: K M
authors.initials: KM
authors.lastname: Ferreira
authors.forename: A L
authors.initials: AL
authors.lastname: Netto-Ferreira
mesh_terms: D000818:Animals; D001938:Brazil; D005260:Female; D005399:Fishes / Q000033:anatomy & histology / Q000145:classification*; D008297:Male; D045483:Rivers; D013045:Species Specificity