a very long, edible, large-scaled bony fish (Arapaima gigas) of the rivers of the Amazon region, sometimes reaching a weight of c. 180 kg (c. 400 lb)
Origin of arapaimaModern Latin from Portuguese from a Tupí word
A large South American freshwater food fish (Arapaima gigas) that can attain a length of up to 3 meters (10 feet). Also called pirarucu .
Origin of arapaimaAmerican Spanish or Portuguese both probably of Tupian origin