there is nudi's that just eat zoas, just eat montis and ones that just eat aptasia. Most people get the zoa eating nudi's from wild zoa colonies. If you have one you probale have more and need to start dipping corals that look like there are closing and keep in eye out for spiral egg formations.
Nah. They are berghias. Got 4 adults size and 1 baby. Must have came with rock, now i need to find aptasia to feed it lol. They wipe.out the most of the small to.medium size aptasias in 2.days