Scientists found a new species of giant, air-breathing fish in the Amazon

(Image credit: Yasuyoshi Chiba/Getty Images)

published 3 December 2016

A new species of arapaima — a giant freshwater fish capable of breathing air with rudimentary lungs — has been found in the remote reaches of the Amazon River, and more distinct arapaima species may be discovered soon.

Capable of growing to 10 feet long and weighing upwards of 400 pounds, the heavily-armored fish lives in oxygen-poor waters and surfaces to breathe. The arapaima is difficult to catch and study and is also endangered, which is why species classification is so important: Only about 5,000 of the fish still live in the wild.

It is "hard to argue for conservation if you don't know it's there," explains Donald J. Stewart, a New York biology professor and National Geographic explorer whose team identified the new species. "The more of these we can recognize the more arguments we can make for getting the resources to protect them." Stewart expects "we'll have many more species before we're done" examining the arapaima's river climes.

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Bonnie Kristian was a deputy editor and acting editor-in-chief of TheWeek.com. She is a columnist at Christianity Today and author of Untrustworthy: The Knowledge Crisis Breaking Our Brains, Polluting Our Politics, and Corrupting Christian Community (forthcoming 2022) and A Flexible Faith: Rethinking What It Means to Follow Jesus Today (2018). Her writing has also appeared at Time Magazine, CNN, USA Today, Newsweek, the Los Angeles Times, and The American Conservative, among other outlets.

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