Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
We've seen a pair of them once down in Pompano, didn't dispatch them at the time since I wasn't sure what they were, and didn't want to eliminate fish indiscriminately.
invasive species = kill
But it has been said they have been found in multiple locations in single AND pairs.
I believe it normally only takes 2 to mate, unless you are into some other stuff...