Ghost sharks have evolved rows of true teeth on a bizarre forehead rod used for mating. Fossil and genetic evidence revealed the tenaculum’s teeth develop the same way as those inside the mouth, ...

Ghost crabs have teeth in their stomachs that they use to growl at one another with, scientists have discovered. This "unusual" communication system, researchers say, is used during aggressive ...

Some male “ghost sharks” have a bizarre way of giving love bites: They use teeth that sprout from their foreheads. These otherworldly animals, also known as spotted ratfish, can grab onto mates using ...

Scientists studied how the sea creatures, also known as chimaeras or ghost sharks, ended up with one of evolution’s most bizarre appendages. By Jack Tamisiea Life in the ocean’s dark depths can be ...

A recent study suggests that male ghost sharks, also known as chimaeras, use an unusual organ for mating – sharp teeth that grow out on their foreheads. Unlike other sharks and rays, ghost sharks do ...

Researchers have discovered that male spotted ratfish, a type of ghost shark, possess teeth on their foreheads used for grasping females during mating. This challenges the traditional understanding ...

A horrific ghostly-white carnivorous slug with blade-like teeth has been spotted in England after the species is believed to have come over from Ukraine in potted plants. The blind ghost slug, as it ...

CT (computed tomography) scan of the adult male Spotted Ratfish frontal clasper (Tenaculum) covered in rows of teeth (rainbow colors). Male “ghost sharks” — eerie deep-sea fish known as chimaeras that ...

Are those teeth on your forehead or are you just happy to see me? In the curious case of chimaeras, also called ghost sharks, the answer is 'both.' These forehead-teeth are attached to a retractable ...