What remind even is, whale shark not only rare, be close to become extinct, and it also is one of the oldest live thing on the world, it is not a shark, also not be cetacean.

• 还要提醒的是，鲸鲨不但稀有，濒临绝种，而且它也是世界上最古老的生物之一，它不是鲨鱼，也不是鲸鱼。