Varella, H.R., Loeb, M.V., Lima, F.C. & Kullander, S.O. (2018) Crenicichla ploegi, a new species of pike-cichlid of the C. saxatilis group from the Rio Juruena and upper Rio Paraguai basins in Brazil, with an updated diagnosis and biogeographical comments on the group (Teleostei: Cichlidae). Zootaxa, 4377 (3), 361–386.