I stumbled across this fish the other day. I was discussing it on a popular forum but was surprised when all the information did not line up. Well, I guess I should not have been surprised after all. It is a fishing story after all.
The Mean Mouth Bass is a name given to two hybrid bass: a spawn of the largemouth and smallmouth and the smallmouth and spotted bass. However, the spotted bass and smallmouth bass hybrid is most often identified with the name.
Read more here: http://bassfishing-gurus.com/mean-mouth-bass.php