coral isses

I noticed this weird thing growing on my new frag a few weeks back and since then I've tried dipping and picking them off with tweezers but It clearly didn't work. The coral is basically dead at this point think. Does anyone have any idea what this weird thing is? Up close it looks like a type...

Hey experts, I have a frogspawn that I recently got and it has not been doing well. It was fully extended when it was at my lfs, but ever since I brought it home, it has never been the same. I have some other corals in the tank (acan, favia, candy cane, and a hammer.) They are all doing fine...