Sartor elongatus is a species of freshwater ray-finned fish belonging to the family Anostomidae, the toothed headstanders. This species is endemic to Brazil, where it is found in the Trombetas and Mapuera River basins. This species reaches a length of .
References
Garavello, J.C. and H.A. Britski, 2003. Anostomidae (Headstanders). p. 71-84. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.