There are 32 species of dolphins in the world, but virtually all performing dolphins are of the bottlenose variety. This is because "they are most amenable to being close to people, and they are very playful," explains the veteran trainer Jackson W.C. Hui, an advisor to Ocean World.
海豚科約有三十二種海豚，目前各大水族館中的表演明星幾乎非瓶鼻海豚莫屬，因為「它跟人最容易親近、又喜歡跳躍玩耍。」海洋世界顧問、資深訓練師許永昌說。