儒艮 rú gèn Dugong dugon

儒艮（学名：Dugong dugon），是一种海洋草食性哺乳动物。主要生活在热带浅海中，以二药藻、喜盐草等水生植物为主食。其分布与水温、海流以及作为主要食物的海草分布有密切关系。儒艮在我国主要分布于广东、广西、海南和台湾南部沿海。

百度翻译提供：

Dugong dugong is a marine herbivorous mammal. It mainly lives in the tropical shallow sea and mainly feeds on aquatic plants such as diatom and halophila. Its distribution is closely related to water temperature, ocean current and the distribution of seaweed as the main food. Dugong is mainly distributed in Guangdong, Guangxi, Hainan and the southern coast of Taiwan in China.