Garrone Neto, Domingos, and Lucélia Nobre Carvalho. 2011. “Nuclear-Follower Foraging Associations Among Characiformes Fishes and Potamotrygonidae Rays in Clean Waters Environments of Teles Pires and Xingu Rivers Basins, Midwest Brazil”. Biota Neotropica 11 (4). Sao Paulo, Brazil. //www.biotaneotropica.org.br/BN/article/view/891.