Geography: The Amazon River is located in South America and is the largest river in the world for the area of the basin (7,180 km²). According to the results of the 2011 world contest, the Amazon is recognized as one of the seven natural wonders of the world.
Basin area: 7 180 000 km².
Length: 6259-6800 km.
Depth: At the mouth of the Amazon, the depth is 100 meters. After 3 thousand kilometers it becomes deeper for 20 meters and this allows the sea vessels to pass through all the territory of Brazil and reach Peru.
Water type: The water of Amazon river differs in color and composition. The rivers of the Amazonia can be divided into three groups: with white, dark and light water. The rivers with white water originate in the mountains. For the aquarists, the inhabitants of rivers with dark and light water are of great interest.
River source: The Amazon begins with the confluence of the Maranion and Ucayali rivers. The length of the Amazon from the source of the Maranion River is 6992.06 km [3], from the source of the Apachet River is about 7000 km, from the source of the Ucayali – over 7000 km.
Fish species: The Amazon basin has a large fish fauna, with more than 2200 species. Amazonia is the center of diversity for the Neotropical fish. It is considered to be the motherland of the piranha with red belly and the omnivorous forager.
Time for fishing: In the river there is a season of low water and season of rains. The climate of the basin is warm and humid. There can be sudden temperature reduces in June and September.