1 carpal tunnel syndrome-Describes a compression of a nerve over the carpal bones (eight small bones of the wrist) through a passage (tunnel) at the front of the wrist.
Fishers in northern Thailand netted this huge catfish in the Mekong River on May 1. Nearly nine feet long (2.7 meters) and as big as a grizzly bear, the behemoth tipped the scales at 646 pounds (293 kilograms). Experts say the fish, which belongs to the species known as the Mekong giant catfish, may be the largest freshwater fish ever recorded. â¢ Read Grizzly Bear-Size Catfish Caught in Thailand. â¢ See More Photos in the News. â¢ See Today's Top News Stories.
Hogan keeps track of freshwater fish size records through his Megafish Project, which studies the worldâs biggest freshwater fish, and says the previous size record for a freshwater fish was an estimated 693 pounds (314 kilograms), for a Mekong giant catfish. The largest freshwater ray he has measured was about 400 pounds (180 kilograms). Unconfirmed reports have suggested sizes for the rays as big as 1,100 to 1,300 pounds (500 to 600 kilograms). The Guinness Book of World Records lists the Mekong giant catfish, which also lives in Thailand, as the âworldâs largest freshwater fish,â weighing up to 660 pounds (300 kilograms). The 2015 edition of the book breaks out the largest saltwater ray as a separate category from bony fish, even though rays are technically a type of fish.