This Bizarre Fish Has 8 Rows of Forehead Teeth It Uses During Sex | NYGazet

Researchers studied the male spotted ratfish's tooth-covered forehead appendage, which flares out to ward off rivals and grip onto females.

Spotted ratfish are scaleless, rabbit-faced deep-sea fish, about two feet (61 centimeters) long, and native to the northeastern Pacific Ocean. As if that wasn’t a strange enough description, these distant shark cousins also feature teeth on their for... [3786 chars]