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

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

Sep 9, 2025 8

This Bizarre Fish Has 8 Rows of Forehead Teeth It Uses During Sex
Spotted Ratfish

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