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. 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 device will send information to help scientists learn its behavior. The researchers planted a tracking device near the tail of the stingray before releasing it. ![]() “So about 70 percent of giant freshwater fish globally are threatened with extinction, and all of the Mekong species,” Hogan said. They also can be hurt by projects that change the movement of rivers, such as dams. Hogan said big fish also need large areas of water, such as long rivers or deep lakes to survive. They take a long time to grow and sometimes they are caught before they can reproduce. They are caught because of their size and can be sold for a lot of money. Hogan said large fish are endangered around the world. As a result, large fish like beluga sturgeon and bluefin tuna do not qualify for the freshwater fish record. Some fish spend part of the time in freshwater and some time in saltwater. The Cambodian fisherman caught the record-breaking stingray near Stung Treng in the country’s northeast. What has long been one of the great wildlife mysteries the identity of the world’s largest freshwater fish appears to have been solved last week as fishers in northern Cambodia. A 661-pound (300 kilos) giant freshwater stingray caught and released near a remote island in the Mekong River is largest freshwater fish in the world. ![]() It was also caught in the Mekong, but in Thailand, in 2005 and weighed 293 kilograms. Acara Electric Blue Acara Freshwater Fish Assorted Mbuna Cichlid Packs Rock-Dwelling Mbuna Cichlid Barb Fish Red Tail Tinfoil Barb Large Size Tropical. International team now tracking the 661-pound giant freshwater stingray's movements to better understand, protect the species and key freshwater habitats. Check out the record holders for both catch and keep. Big and giant freshwater fish of the world also include Pirarara Catfish from Amazon, Giant Tigerfish from Africa, Goonch Catfish from India, Giant Barramundi, Giant snakehead, Giant Barb, Lungfish, Chinook Salmon, Giant Salamander, Peacock. The previous record for freshwater fish was a catfish. MassWildlife keeps records of the biggest fish caught in Massachusetts waters that have public access. The Nile perch fish can grow up to 6 ft and listed as one of the largest freshwater fishes in the world. 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. The worlds biggest freshwater fish and 4 out of the top ten giant freshwater fish species can be found in the Mekong River which flows through Cambodia.
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