I had a couple of nudibranchs invade my old reef just like those, and they liked to feast on zoanthids. Luckily the rocks that had the zoas (and the pests on them) were small so I was able to take them out and dip them in some Coral RX treated water, which killed the nudibranchs. Good luck!
Sent from my iPhone using Tapatalk
__________________
"Before you swim you've gotta be okay to sink..."
Current Tank Info: Currently setting up a Red Sea 625 XXL
|