Learn more about ghost sharks’ bizarre forehead teeth that make them one of the most biologically unique animals on Earth. From colorful displays to aggressive fights, mating rituals vary widely ...

Male "ghost sharks"—eerie deep-sea fish known as chimaeras that are related to sharks and rays—have a strange rod jutting from their foreheads, studded with sharp, retractable teeth. New research ...

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, ...

Northeastern University student Lei Curtis reflects on their Hollings internship experience with the National Systematics Laboratory. My name is Lei Curtis, and I’m excited to share my experience as a ...