Take him out and put him somewhere separate immediatly. Treat him for ich and see what happens. Watch your tank closely you might have caught it before your whole tank is infected. Probably not tho. SOrry to dappen you. But watch closely. Dont put ich treatment in your main tank like dakine said...
Heres the deal. Everyone has their own opinion of where to get live rock. Deffinatly check into what brandonberry said but i would highly consider going to Tampa Bay Saltwater (tampabaysaltwater.com) and getting the package and following what they say to do. Everyone i have seen use their stuff...
I would open it. If it is the crab. Check water parimeters and post those. I dont think ne thing unusual is going on. Doesnt sound like it. YOur brain coral shouldnt be aggressive enough to kill the crab.
Its a tall tank be shure you have plenty of powerheads in there, get a wave maker for better habbitatual growth on corals and stuff. Good luck. Otherwise follow Len.
Well my first question is. What are you using as filtration. Do you have live rock and live sand. How many gallons is your aquarium. What is your phospherate level. If your water is yellowish then you need to get a filter that has GAC (Granulated Active Carbon) in it and make shure it does not...
It depends on what you want. If you want to let it take its course, then the reds will die off. You could kill a couple of the greens(remove them) and expose a few red and get a mix. Just a suggestion.
Hey, Anenomes need a high flow rate. It could also be he couldnt find rock to get his footing. He then dies because of this. Lack of light, nutrients, did anything harass it? Do you have anything aggressive that could have attacked it at night? Just some reasons.