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arapaima

American  
[ar-uh-pahy-muh] / ˌær əˈpaɪ mə /

noun

  1. 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 kilograms).


arapaima British  
/ ˌærəˈpaɪmə /

noun

  1. 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of arapaima

First recorded in 1830–40; from Portuguese, from Tupi

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An example of good practice is fishing arapaima, one of the world’s largest freshwater fish, in Brazil’s Amazon, co-chair of the report Jean-Marc Fromentin of France told the AP.

From Seattle Times • Jul. 8, 2022

One of the most valuable targets is the world’s largest freshwater fish with scales, the arapaima.

From Seattle Times • Jun. 11, 2022

How the dead arapaima got to the Caloosahatchee River remains a mystery.

From Washington Times • Mar. 14, 2021

But fishing villages in Brazil that sustainably manage the populations have seen arapaima numbers increase by as much as tenfold.

From New York Times • Jan. 21, 2020

I’d come to experience the natural wonders — the world’s largest river, the sprawling rainforest, the pink dolphins and the arapaima, a prehistoric-looking fish that can grow up to 15 feet in length.

From Salon • Feb. 15, 2015