Pseudoplatystoma The currently recognized species in this genus include: The distribution of "Pseudoplatystoma" species includes the great river basins of South America: the Amazon, Orinoco, Paraná, São Francisco, Magdalena, Rupununi, Essequibo, and Suriname Rivers. They can also be found in the Cuiabá river, located in the Brazilian State of Mato Grosso.They have not been reported from river basins draining into the Pacific. "P. fasciatum" inhabits the Guyana region, including the Essequibo and Suriname Rivers and their tributaries, in Guyana, Suriname, and French Guiana. "P. tigrinum" is found in the Amazon River in Brazil, Colombia, Ecuador, Peru, and Venezuela. "P. corruscans" originates
Suriname (Kingdom of the Netherlands) the constituent country have always been officially known as Surinam or Suriname, in both Dutch and English, the colony was often unofficially and semi-officially referred to as Dutch Guiana (Dutch: "Nederlands Guiana") in the 19th and 20th century, in an analogy to British Guiana and French Guiana. Using this term for Suriname is problematic, however, as historically Suriname was only one of many Dutch colonies in the Guianas, others being Berbice, Essequibo, Demerara, and Pomeroon, which after being taken over by the United Kingdom in 1814 were united into British Guiana in 1831. Before 1814, the term Dutch Guiana did