These giant catfish live in the dusky waters of the Mekong River in Southeast Asia. In 2005, a Mekong catfish was caught weighing 646 pounds. As of June 2025, ...

In this photo released by Zeb Hogan, USAID Wonders of the Mekong Project, people hold a Mekong giant catfish to release it in Mekong River in Kampong Cham, Cambodia on Tuesday, Dec. 10, 2024.

Conservationists in Cambodia on Friday celebrated the discovery of six highly endangered Mekong giant catfish in the critical Southeast Asian waterway plagued by illegal fishing, habitat loss and ...