A motion sensor when the door is opened prompts the fish to start singing and dancing -- so when a burglar kicked it in and tried to rob the Hooked on Fishing bait shop in Minnesota, Billy broke into song.
Authorities think that scared the would-be burglar off: score one for the fish!
'When I tried to close the door and it wouldn't close at all, I just knew that Billy Bass had done his job,' store owner Tom Allen told KTTC.
Who would've thought this novelty fish could be just as good as a modern security system?
'Now he is my good luck charm. I am going to keep Billy until he can't sing no more.'
Luckily, nothing was taken from the store. However, The Rochester Post-Bulletin reports the would-be burglar caused about $700 worth of damage to the door.