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Angelfish, a popular aquarium fish

Rainforest fish

Tropical rainforest waters -- including rivers, creeks, lakes, and swamps -- are home to the majority of freshwater fish species. The Amazon Basin alone has over 3,000 known species and possibly as many unidentified species.

Many of the tropical fish kept in freshwater aquariums are originally from the rainforest. Fish like angelfish, neon tetras, discus, and common algae-eating catfish come from the tropical forests of South America, while danios, gouramis, Siamese fighting fish (or Betta), and the clown loach are from Asia.

PHOTOS OF RAINFOREST FISH




By Rhett Butler

Date published: June 24, 2004 | Last updated: December 5, 2015