Forget the next Mayweather match—sarcastic fringehead fish battle it out several times a day, and always without a six- or seven-figure paycheck. According to the Aquarium of the Pacific, these ambush ...

The sarcastic fringehead (Neoclinus blanchardi) is a footlong fish that lives off the Pacific coast of North America. When unthreatened, the fringehead’s visage is fairly unremarkable. But if a marine ...

Sarcastic fringeheads have a stronger temper than your average fish, but it isn’t a sharp tongue that you have to look out for: it’s their gaping, fluorescent mouth. When threatened by other males, ...

SARCASTIC FRINGEHEADS have more of a temper than your average fish, but it isn’t a sharp tongue that their rivals face: it is their gaping, fluorescent mouth. When threatened by another male, the fish ...