Map of Middle Tocantins River, showing the collection point of the hosts close to the urban perimeter of Imperatriz, in the village of Embiral, state of Maranhão, Brazil.

 
 
  Part of: Bezerra CAM, Cohen SC, de Meneses YC, Neres HGC, Viana DC, Justo MCN (2023) Two new species of Curvianchoratus (Monogenoidea, Dactylogyridae) parasitizing Psectrogaster amazonica (Characiformes, Curimatidae) and a new record for Curvianchoratus singularis in the Tocantins River, Maranhão, Brazil. ZooKeys 1172: 101-116. https://doi.org/10.3897/zookeys.1172.105500