Is my Brain browning?

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Those things happen at times and are hard to figure out when they are localized. A guess would be that it got zapped by a pocillopora doing a polyp bailout if you have one. Otherwise very difficult to say.

I looks like the candy cane is pooping.

 

Nope, other than those two corals I mentioned, I only have 2 colonies of zoas, 2 colonies of star poylps and 3 mushrooms.

 

I think something must have damaged that polyp. If you keep the water quality up and the coral fed it may recover.

 

I feed him very well. I have a stone crab that likes to steal food from it and hang around it. He may be the culprit. The damage it pretty much confined in between the walls of that polyp, so hopefully it remains confined and heals.

 

You should remove the crab before it decides your corals are food.

 

I hope they recover, lps can be funny like that sometimes, watch that crab!

 

Thanks. I guess I'll be removing the crab before he causes too much damage.

 

I would imagine the damage may be from the crab as well.

 

He's gone. Tissue appears to be healing.