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
Demographics of Guyana by those who frequently visit neighboring French Guiana and Suriname. French is widely taught in secondary schools along with Spanish as foreign languages. Spanish is also used by a minority of the population as a second language. Spanish is spoken typically by visitors and residents from Venezuela. Demographics of Guyana This article is about the demographic features of Guyana, including population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population. Guyanas population (Guyanese people) is made up of six main ethnic groups: Amerindians, Africans, Indians, Europeans and Chinese. Ninety percent of