神仙鱼的种类神仙鱼体态侧扁呈菱形,尾鳍后缘平直,背鳍、臀鳍鳍条向后延长,上下对称,似张开的帆。腹鳍长,呈丝状。一般成鱼体高12～18cm,游姿高雅、优美,宛如在水中飞翔的燕子,故在我国北方地区又被称为“燕儿鱼”。神仙鱼又像大海里航行的一叶帆船,所以又有人叫它们“帆鳍鱼”。它们食性较杂,喜食动物性饵料,但颗粒饲料更卫生,且 Angelfish species side shape was flat diamond-shaped, caudal straight tail, dorsal fin, anal fin extend backwards, symmetrical up and down, like a sail open. Belly fin long, was filiform. General adult fish body height 12 ~ 18cm, elegant and graceful swimming posture, like a swallow flying in the water, so in northern China is also known as “Yan children ”. Angelfish is like a sailboat sailing in the sea, so someone called them “sailfish”. They eat more mixed, like animal feed, but pellets are more hygienic, and