- Get to Know the Ratfish and the Forehead Teeth It Uses During Sex The New York Times
- Ghost sharks grow forehead teeth to help them have sex University of Florida
- This Gloriously Weird Fish Has Teeth on Its Forehead for Sex Scientific American
- This common fish has an uncommon feature: Forehead teeth, used for mating UW Homepage
- ‘Ghost sharks’ are lurking off the coast of Washington – and they have teeth growing out of their foreheads BBC Wildlife Magazine
Source link
