These Venomous Fish Have Retractable Blades in Their Faces
Researchers at the University of Kansas discovered that stonefish — a group of fish common in Indo-Pacific coastal waters — have a horrifying defense mechanism: a retractable switchblade in either cheek. Called “lachrymal sabers,” the blades are controlled by overdeveloped bones and muscles below the eyes and extend outwards from the cheek when activated. Though […] More



