In Australia, bottlenose dolphins place sponges over their snouts as protection from the spines of stonefish and stingrays as they forage over shallow seabeds.

• 在澳大利亚，瓶鼻海豚在捕猎在海床上吃草的石鱼和黄貂鱼的时候会在嘴上叼上海绵来防刺。