MEDELLIN, COLOMBIA - JULY 14: Polyp fish is seen at Colombia Country of Water Exhibition in Medellin, Colombia on July 13, 2019. A flooded Amazon rainforest reveals hidden inhabitants of the water like the pirarucus, the largest freshwater fish of South America, 29 scenarios inhabited by 4,334 specimens of 256 species of fresh and salt water, will help us discover Colombia, a country of water. ( Juancho Torres - Anadolu Agency )

MEDELLIN, COLOMBIA - JULY 14: Tucunare (Cichla ocellaris) is seen at Colombia Country of Water Exhibition in Medellin, Colombia on July 13, 2019. A flooded Amazon rainforest reveals hidden inhabitants of the water like the pirarucus, the largest freshwater fish of South America, 29 scenarios inhabited by 4,334 specimens of 256 species of fresh and salt water, will help us discover Colombia, a country of water. ( Juancho Torres - Anadolu Agency )

MEDELLIN, COLOMBIA - JULY 14: Latinamerican fish is seen at Colombia Country of Water Exhibition in Medellin, Colombia on July 13, 2019. A flooded Amazon rainforest reveals hidden inhabitants of the water like the pirarucus, the largest freshwater fish of South America, 29 scenarios inhabited by 4,334 specimens of 256 species of fresh and salt water, will help us discover Colombia, a country of water. ( Juancho Torres - Anadolu Agency )

MEDELLIN, COLOMBIA - JULY 14: A piranha (Characiformes) is seen at Colombia Country of Water Exhibition in Medellin, Colombia on July 13, 2019. A flooded Amazon rainforest reveals hidden inhabitants of the water like the pirarucus, the largest freshwater fish of South America, 29 scenarios inhabited by 4,334 specimens of 256 species of fresh and salt water, will help us discover Colombia, a country of water. ( Juancho Torres - Anadolu Agency )

MEDELLIN, COLOMBIA - JULY 14: A piranha (Characiformes) is seen at Colombia Country of Water Exhibition in Medellin, Colombia on July 13, 2019. A flooded Amazon rainforest reveals hidden inhabitants of the water like the pirarucus, the largest freshwater fish of South America, 29 scenarios inhabited by 4,334 specimens of 256 species of fresh and salt water, will help us discover Colombia, a country of water. ( Juancho Torres - Anadolu Agency )

MEDELLIN, COLOMBIA - JULY 14: Clownfish (Anemonefish) is seen at Colombia Country of Water Exhibition in Medellin, Colombia on July 13, 2019. A flooded Amazon rainforest reveals hidden inhabitants of the water like the pirarucus, the largest freshwater fish of South America, 29 scenarios inhabited by 4,334 specimens of 256 species of fresh and salt water, will help us discover Colombia, a country of water. ( Juancho Torres - Anadolu Agency )

MEDELLIN, COLOMBIA - JULY 14: Blue hippo tang (Paracanthurus hepatus) is seen at Colombia Country of Water Exhibition in Medellin, Colombia on July 13, 2019. A flooded Amazon rainforest reveals hidden inhabitants of the water like the pirarucus, the largest freshwater fish of South America, 29 scenarios inhabited by 4,334 specimens of 256 species of fresh and salt water, will help us discover Colombia, a country of water. ( Juancho Torres - Anadolu Agency )

MEDELLIN, COLOMBIA - JULY 14: Angelfish (Pterophyllum) are seen at Colombia, Country of water Exhibition in Medellin, Colombia, July 13, 2019. A flooded Amazon rainforest reveals hidden inhabitants of the water like the pirarucus, the largest freshwater fish of South America, 29 scenarios inhabited by 4,334 specimens of 256 species of fresh and salt water, will help us discover Colombia, a country of water. (Juancho Torres - Agencia Anadolu) ( Juancho Torres - Anadolu Agency )