- A large South American freshwater food fish(Arapaima gigas) that typically attains a length of3 meters(10 feet).
- A diver shares a tank with an adult arapaima fish at an aquarium in Manaus, Brazil.
- The Arapaima uses its bony tongue to crush prey against the roof of its mouth before swallowing.
- This behavior makes it plausible to imagine a fisherman being struck and knocked unconscious by a frantic arapaima.
- The site protects key threatened species, including giant arapaima fish, the Amazonian manatee, the black caiman and two species of river dolphin.
- The arapaima is the focus of several conservation projects in South America, including no-fishing reserves and fishing quotas.