A 300-pound fish known as Batoids, which is being considered the largest freshwater ever documented, was caught in the Mekong River in Cambodia.

Previously, the record capture was 293 kilograms that had occurred in Thailand in 2005, scientists tell the

BBC

.

Batoids have the shape of a leaf or a diamond-shaped plate, so they are often called sea leaves.

"In 20 years of searching for giant fish in the rivers and lakes of six continents, this is the largest freshwater fish we have encountered or documented anywhere in the world," said Zeb Hogan, a biologist who leads the Wonders of Conservation project. the Mekong.

The conservation project is working with the Cambodian Fisheries Authority to set up a network of fishermen to warn researchers if they catch giant or endangered fish.

"Finding and documenting this fish is an extraordinary and rare sign of hope, especially since it occurred in the Mekong, a river that is currently facing many challenges," he added.

Hogan, who is also a professor at the University of Nevada.

The Mekong has a high biodiversity, but overfishing, dams and pollution threaten its fragile ecosystem.

The river flows from the Tibetan Plateau through China, Myanmar, Thailand, Laos, Cambodia and Vietnam.

On the night of June 13, a local fisherman on the island of Koh Preah called investigators and said he had caught "too much" rye.

It turned out to be 3.98 meters long and 2.2 meters wide.

After being provided with a tracer label, the rye was released back into the river.

/ Telegraphy /