Related: Unique 'Golden Shark' Caught Off Central America Diagnosed With Rare ConditionScientists have long been fascinated by white shark teeth. White sharks are best known for their large, triangular, serrated teeth, which are ideal for capturing and eating marine mammals like seals, dolphins, and whales. The teeth of white sharks are not static weapons but living records of a shark's changing lifestyle. This research helps us better understand how white sharks succeed as apex predators and how their feeding system is finely tuned across their lifetime. In the end, a white shark's teeth don't just reveal how it feeds – they reveal who it is, at every stage of its life.