Amapá is a state located in the northern region of Brazil.
The Amazon basin is the part of South America drained by the Amazon River and its tributaries.
The Amazon River (or; Spanish and Amazonas) in South America is the largest river by discharge volume of water in the world, and either the longest or second longest.
An aquarium (plural: aquariums or aquaria) is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed.
Brazil (Brasil), officially the Federative Republic of Brazil (República Federativa do Brasil), is the largest country in both South America and Latin America.
Colombia, officially the Republic of Colombia, is a sovereign state largely situated in the northwest of South America, with territories in Central America.
The Essequibo River (Río Esequibo) is the largest river in Guyana, and the largest river between the Orinoco and Amazon.
The Fahrenheit scale is a temperature scale based on one proposed in 1724 by Dutch-German-Polish physicist Daniel Gabriel Fahrenheit (1686–1736).
French Guiana (pronounced or, Guyane), officially called Guiana (Guyane), is an overseas department and region of France, on the north Atlantic coast of South America in the Guyanas.
Guyana (pronounced or), officially the Co-operative Republic of Guyana, is a sovereign state on the northern mainland of South America.
The Orinoco River is one of the longest rivers in South America at.
The Oyapock or Oiapoque River is a 370-km (230-mi)–long river in South America that forms most of the border between French Guiana and the Brazilian state of Amapá.
Peru (Perú; Piruw Republika; Piruw Suyu), officially the Republic of Peru, is a country in western South America.
Solimões is the name often given to upper stretches of the Amazon River in Brazil from its confluence with the Rio Negro upstream to the border of Peru.
The Ucayali River (Río Ucayali) arises about north of Lake Titicaca, in the Arequipa region of Peru.