TY - JOUR T1 - Water level influences on body condition of Geophagus brasiliensis (Perciformes: Cichlidae) in a Brazilian oligotrophic reservoir JO - Neotropical Ichthyology A1 - Santos, Alejandra Filippo Gonzalez Neves dos A1 - Santos, Luciano Neves dos A1 - Araújo, Francisco Gerson SN - 1679-6225 UL - 10.1590/S1679-62252004000300007 VL - 2 Y1 - 2004 PB - scielo ER -