The sarcastic fringehead is a small but highly aggressive fish that relies on extreme jaw expansion to dominate rivals.

Add Yahoo as a preferred source to see more of our stories on Google. A fringhead fish rests on a rocky reef facing the camera with its mouth wide open. Name: Sarcastic fringehead (Neoclinus ...

Sarcastic fringeheads are small yet mighty saltwater fish found in the Pacific Ocean. Known for their massive jaws and mouths, the fish will fight anything it deems a threat. This YouTube video shows ...

There is a fish I have encountered, but sadly don’t have a picture of my own, which ranks as perhaps the strangest fish of all. I’ve met some strange fish with equally strange names, such as the ...