What is the biggest walleye ever caught? What is the biggest bass ever caught? George W. Perry holds the current world record for largemouth bass caught June 2, 1932 in Georgia which weighed 22 lbs 4 oz. In 2007 Mac Weakley caught a bass that reportedl…y weighed 25 lbs 1 oz from a lake in California, however he chose not to submit it for consideration as a new world record. The fish was released alive back into the lake where it was caught.