Pop culture has long portrayed dolphins as symbols of peace, intelligence, and playful quirkiness. From cartoons to documentaries, we're taught that these smiling sea creatures love humans and radiate positive energy. But what if the truth is far darker? Beneath the surface of these so-called “fun dolphin facts” lies a disturbing reality most people never hear about. From violent attacks to sexually aggressive behavior, the ocean’s smartest predator has a sinister side.