Maybe~lobos, symphyllia, cynarinia, scolys, big fleshy LPS, but.... acan lords ~almost~ every time.
Dunno what it is about lordhowensis, but they are hands down the single most eaten coral by anything that is supposed to eat aiptasia. (except for berghia nudibranch), Also many other fish eat them, tangs, angels, rabbitfish, and who knows what others....acans are just tasty!!!