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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.

Thousands of miles away from the Amazon, down a hilly dirt road on the outskirts of Rio de Janeiro, Nova Kaeru will process about 50,000 skins from legally-caught giant pirarucu or arapaima fish this year.

From Seattle Times • Nov. 4, 2022

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

From Seattle Times • Jun. 11, 2022

The arapaima, because of its varied and voracious appetite, is a threat to native Florida wildlife.

From Washington Times • Mar. 14, 2021

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

I reflect on my time in Rewa, what we have accomplished, and what is yet ahead for arapaima conservation as I make my journey back to the Shedd Aquarium in Chicago. 

From New York Times • Apr. 24, 2013