arapaima

[ar-uh-pahy-muh]
noun
a large freshwater fish, Arapaima gigas, of Brazil and Guiana, reputed to reach a length of 15 feet (4.5 meters) and a weight of 500 pounds (225 kg).

Origin:
1830–40; < Portuguese < Tupi

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arapaima (ˌærəˈpaɪmə)
 
n
a very large primitive freshwater teleost fish, Arapaima gigas, that occurs in tropical South America and can attain a length of 4.5 m (15 ft) and a weight of 200 kg (440 lbs): family Osteoglossidae
 
[via Portuguese from Tupi]

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arapaima

ancient, air-breathing, giant fish of Amazonian rivers and lakes. One of the largest freshwater fishes in the world, the pirarucu attains a length of nearly 3 metres (10 feet) and a weight of 220 kg (485 pounds). The fish has a peculiar profile in that the front of the body is long and narrow, whereas the rear is flat and possesses only a rudimentary, rounded tail

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Also called arapaima plentiful: adjective: abundant or full.
The arapaima's proximity to the water's surface make it vulnerable to human predators, who can easily target them with harpoons.
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