Accompanying the online post, the beach-goer penned: "Dead marine animal washed up on shore ... and a wide mouth equipped ...

While you might think of fish as harmless little dudes hanging out in your aquarium, there are some truly bizarre species out ...

Anglerfish have invisible fangs, narwhal tusks are extra-long canines, and more facts from the weird and wonderful study of ...

Nicknamed the Ginsu shark after the kitchen knife that slices and dices, Cretoxyrhina ripped apart prey with a mouth full of razor-sharp, bone-shearing teeth. Evidence suggests Cretoxyrhina fed on ...

They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the mouth is shut. Despite this, they are a docile, non-aggressive species, known to attack ...