The Largemouth Bass is a freshwater fish of the Black Bass genus named for—you guessed it—its large mouth. The Largemouth Bass is different than the equally common Smallmouth Bass in that it does in fact have a larger mouth. Who knew? Depending on your location, this fish is known by a variety of other names such as green bass, black bass, bucketmouth bass, big mouth bass, largies, or Steven Tyler—the last of which I just made up. Transcript