
After collecting data on the fish, Hogan, a fisheries biologist at the University of Reno in Nevada, released it unharmed.
Giant catfish were once plentiful throughout Southeast Asia's Mekong River watershed, including the Tonle Sap River—home of the fish in these pictures taken near Phnom Penh.
But in the last century the Mekong giant catfish population has declined by 95 to 99 percent, scientists say. Only a few hundred adult giant catfish may remain.
More pictures after the jump.
Source: National Geographic
Tags: Catfish | Mekong
Comments