Generally add a couple of submarines and you're done! (also called green pufferfish), this guy eat snails fierce! However, it is relatively large, about 7,8 centimeters! The ornamental value is still quite good, very cute! There is also a small one, about two to three centimeters, called the chocolate doll! Also very good! Qing snails generally have these two kinds, by the way, the above two are puffer fish! You can check their pictures on Baidu!