Pineapple custard apple is a fruit from Taiwan. It is a hybrid fruit. It is a hybrid between pineapple and custard apple. When eating, it can be cut lengthwise and eaten like a watermelon. It tastes a little bit Pineapple acid, but its storage is very particular. If the outer skin is green, it cannot be placed in the refrigerator, otherwise it will not mature again. If it is ripe, it can be stored in the refrigerator.