stinger

Hi All, I know leather corals don’t have stingers / sweepers but this thing throws out these 2 things every night. Every day it’s big luscious and green lol so to me it’s healthy. Is this something else? I can’t see anything under the coral and they seem to be coming straight out of the coral...

I had one torch in an area with great flow, but now that I’ve gotten two I’m afraid there will be warfare. I’ve read sometimes indo and Aussie are not friendly towards one another but then I’ve read they can do fine. One is Malaysian and one is unknown. Opinions? Thoughts? Do you think they...