LOBO attacking other coral????

I know I should not have kept these corals so close buuutttt... I didn't listen well i didn't make the time to get the glue and move them.... anyway last night my emerald crab was having a field day flipping my frags. I didn't notice how close he dragged one and I noticed these weird little things coming out of the lobo and over the coral next to it...looks like he was killing it. besides moving any suggestions for the hurt coral? Let me post pics.. give me two seconds

 

this was the original way I had them.

 

weird tentacles on the side of the lobo..

this is the victim!

 

Anyone?????

 

Keep the water parameters in good condition and it'll recover.

 

Thanks man! That was my worry ( I can't remember the name of the coral) but have of the biggest head is not showing its beautiful color under the moonlights anymore.

 

Acanthastrea spp