Found in Territorio Federal Delta Amacuro (Rio Orinoco and Laguna La Ceiba, Los Castillos de Guyana), Monagas (Rio Orinoco, Laguna Guatero near Barrancas and Laguna Las Barrancas), Guarico (Caño Los Aceites, Rio San Jose, and Santa Rita, Rio Manapire), Amazonas (Rio Orinoco, small caño connecting with Rio Orinoco immediately south of El Burro, Rio Mavaca, Rio Pamoni, side channel of Rio Ventuari, and Caño Orera), Bolivar (Rio Orinoco, Rio Caura, Caño (possibly Caño Curimo) feeding Rio Caura near confluence of Rio Caura and Rio Orinoco, Laguna Las Garzas of Rio Orinoco, San Felix, confluence of Rio Orinoco and Rio Caura, Rio Mato and Rio Cuyuni), and Apure (Rio Cinaruco basin, Caño Guaritico, Laguna Depirital in Caño Guaritico, and Rio Capanaparo).