Amazon River’s 13 Undiscovered Monsters

Arapaima

The Arapaima belongs to the family of Arapaimidae. They are one of the world’s largest freshwater fish reaching as much as 3 meters or 9.8 feet This fish is a torpedo-shaped with large blackish-green and red markings. It is streamlined and sleek, with its dorsal and anal fin set near its tail. Its diet consists of fish, crustaceans and small land animals that walk near the shore. They are also land breathers, using its labyrinth organ which is rich in blood vessels and opens into the fish’s mouth.

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