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, ...

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 have discovered a new type of ghost shark between South Africa and Antarctica. The creature is hideous. (Kristin Walovich photo) After the 1975 release of the movie Jaws, Saturday Night ...