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Largest-Ever Freshwater Fish Caught in Cambodia
A Cambodian fisherman recently caught the world’s largest recorded freshwater fish in the Mekong River. The fish, a stingray, weighed just under 300 kilograms and measured four meters long.
A team of scientists from the research group Wonders of the Mekong quickly came to measure and photograph the fish. Zeb Hogan is the group’s leader. He observed it is hard to find such a large fish in freshwater, saying, “so I think all of our team was stunned.”
Hogan added, “The fact that the fish can still get this big is a hopeful sign for the Mekong River.”
The Mekong runs through China, Myanmar, Laos, Thailand, Cambodia and Vietnam. It is home to many different types of large freshwater fish.
In this photo provided by FISHBIO taken on June 14, 2022, a team of Cambodian and American scientists and researchers, along with Fisheries Administration officials measure the length of a giant freshwater stingray from snout to tail. (Sinsamout Ounboundisane/FISHBIO via AP)
The previous record for freshwater fish was a catfish. It was also caught in the Mekong, but in Thailand, in 2005 and weighed 293 kilograms. The Cambodian fisherman caught the record-breaking stingray near Stung Treng in the country’s northeast.
Some fish spend part of the time in freshwater and some time in saltwater. As a result, large fish like beluga sturgeon and bluefin tuna do not qualify for the freshwater fish record.
Hogan said large fish are endangered around the world. They are caught because of their size and can be sold for a lot of money. They take a long time to grow and sometimes they are caught before they can reproduce. Hogan said big fish also need large areas of water, such as long rivers or deep lakes to survive. They also can be hurt by projects that change the movement of rivers, such as dams.
“So about 70 percent of giant freshwater fish globally are threatened with extinction, and all of the Mekong species,” Hogan said.
The researchers planted a tracking device near the tail of the stingray before releasing it. The device will send information to help scientists learn its behavior.
Hogan said the giant stingray is “a very poorly understood fish,” and noted that even its name has changed many times in the last 20 years. The scientists hope to be able to follow its movements and learn more about its life, where it spends time and what it interacts with as it moves through the river.
The world's biggest freshwater fish, a giant stingray, that weighs 661 pounds (300 kilograms) is pictured with International scientists, Cambodian fisheries officials and villagers at Koh Preah island in the Mekong River south of Stung Treng province, Cambodia June 14, 2022. Picture taken with a drone on June 14, 2022. Chhut Chheana/Wonder of Mekong/ Handout via REUTERS
The researchers say the record stingray is the fourth large female seen in the area in the past two months. So, they believe it could be a place where they go to lay eggs.
People in that part of Cambodia started to call the large fish Boramy, or full moon, because of its large shape and the fact that the moon was visible when it was let go. The fisherman was paid $600 for his catch, the same price he would have gotten if he sold it in a market.
I’m Dan Friedell.
Dan Friedell adapted this story for VOA Learning English based on reporting by The Associated Press.
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Words in This Story
stunned– adj. surprised or shocked
track –v. to follow the progress and movements of something
extinction – n. the state or situation that results when something has died out completely
global – adj. involving the entire world
species – n. a group of animals or plants that are similar