In-water viewing of sharks by tourists has become a popular and lucrative industry. There is some concern that interactions with tourists with ecotourism operations might harm sharks through disruption of behaviours. Here. we analysed five years of whale shark (Rhincodon typus) encounter data by an ecotourism industry at Ningaloo Reef. https://unitedssports.shop/product-category/ball-field-equipment-practice-equipment/