The data comes from ecotourism companies which run expeditions to watch whale sharks and swim with them in Ningaloo Marine Park off the north-west coast.

• 数据资料来源于生态旅游公司，这些公司向游人提供观赏鲸鲨的探险业务，在位于西北海岸的宁格罗海洋公园，游人还有机会体验一下和鲸鲨同游的滋味。