The fish faunas of continental South and Central America constitute one of the greatest concentrations of aquatic diversity on Earth, consisting of about 10 per

Neotropical ichthyology: an overview; Fossils and geological evidence; The stage for neotropical fish diversification: a history of tropical south american rive

Though biogeography may be simply defined--the study of the geographic distributions of organisms--the subject itself is extraordinarily complex, involving a ra

The Peruvian Amazon has one of the highest concentrations of aquatic biodiversity in the world, with almost 1,000 fish species currently known, and more describ

The Amazon and Orinoco basins in northern South America are home to the highest concentration of freshwater fish species on earth, with more than 3,000 species