Heresiology-for the little heretic in all of us

Fishermen catch giant catfish

A 293-kg (646-lb) Mekong giant catfish, netted in Thailand recently, may be the largest freshwater fish ever found. The fish was documented as part of a World Wildlife Fund-National Geographic project to identify and study and conserve freshwater fish around the world that exceed two metres in length. (CP PHOTO/HO/National Geographic)

BANGKOK, Thailand (AP) - Thai fishermen caught a catfish weighing 293 kilograms - 646 pounds - which is believed to be the world's largest freshwater fish ever recorded, a researcher said Thursday.

The 2.7-metre (8.9-foot) Mekong giant catfish was netted May 1 by villagers in Chiang Khong, a remote district in northern Thailand, and weighed by Thai fisheries department officials, said Zeb Hogan, who leads an international project to locate and study the world's largest freshwater fish species.

The fishermen had hoped to sell the massive fish to environmental groups, which planned to release it to spawn upriver, but it died before it could be handed over, and was later chopped up and sold in pieces to villagers to be eaten.

"This is the largest individual fish of the species that's listed as the biggest in the Guinness Book of World Records," Hogan told The Associated Press by telephone.

Hogan, whose work is funded by the World Wildlife Fund and the National Geographic Society, said he is planning to write a paper about the catch to be published in a scientific journal. "That's the best way to document this kind of thing," he said.

The Mekong giant catfish - which shares the title of largest freshwater fish with a close relative, the dog-eating catfish - was listed as critically endangered in 2003 after research showed its numbers had fallen by at least 80 per cent over the past 13 years.

Fishermen believe the catfish species has been declining largely because of dams and environmental damage along the Mekong River - home to more species of giant fish than any other river, said a statement released earlier by the WWF and National Geographic Society.

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