A groundbreaking study reveals that the spotted ratfish grows teeth outside its mouth, challenging long-held beliefs in evolutionary biology. Discover how this unique feature contributes to mating rituals and sheds light on the evolution of dental structures.
Discover the astonishing revelation about ghost sharks, where researchers unveil that males possess teeth-like structures called tenaculum on their foreheads, used for mating. This unique adaptation challenges our understanding of tooth development and evolution.