Papo Bull SharkPapo Bull Shark Papo model 56044 Product Dimensions: 15 x 8 x 5 cm Age: 3 years and up Unlike most other sharks, Bull Sharks have a unique ability to live in both saltwater and freshwater. They have been found swimming in the ocean, but also far up rivers and even in lakes! Their bodies can adjust to different levels of salt in the water, which is a special adaptation not many creatures have. It's as if they're carrying their own water filter system