Fishes of the Orinoco in the Wild is a book written by photographer, artist and aquatic explorer Ivan Mikolji from Caracas, Venezuela.

[1][2] In the book, Mikolji documents the underwater fishes in the Orinoco River catchment.

The work encompasses the fishes of the Orinoquia[6] in Venezuela, Colombia, the Amazonas inselbergs, and other areas in the tropical rainforests of the Guiana Shield.

[7] The author describes the behavior of fish species in their natural habitats and information of their localities, water temperature, pH, and other fish and plant species that share their biotopes.

[8] The book also includes the etymology of their scientific names, and tips for underwater photography.