Phlyctenactis tuberculosa, common name the wandering sea anemone or swimming anemone, is a species of sea anemone in the family Actiniidae. It is native to shallow seas around Australia and New Zealand. It was first described by the French zoologist Jean René Constant Quoy and the French naturalist Joseph Paul Gaimard. They were naval surgeons serving in the French Navy and made extensive collections of organisms they came across in their travels.