A clown jumped? Must have been the male. Female must have been driving him nuts. Poor guy. Sorry to hear about that. I had my male GSM clown die and trying to pair a new male up with the female was hard. But if you get a clear container and but the new clown in the clear container in the tank so the other clown can see him and get use to him. That will greatly better you chances. As well as moving rock around during this time if you can. What kind of clown?