If the red flesh is still there, it should still be alive. LPS just don't like to be abused like that. Highly suggest placing it where it can't get knocked over & then leave it alone because a couple of falls is all it takes to make it go bye-bye. (I had a large maroon clown female whose fav. hobby was practicing for the Olympic coral toss - the $20 fish cost me $140 in LPS
)
JME
Anthony