The bigger fish, with larger jaws, tended to win these contests. Both in the wild and in the lab, the team didn’t see males gaping wide at females. Instead, they appear to court them with ...

When fighting over territory, the fish try to intimidate their opponents by opening their jaws wide to display the bright colors inside. "The mouth's intimidating coloration, combined with the ...

New research delves deep into the meaning behind these big-mouth contests. When male sarcastic fringeheads get aggressive with each other — which they often do — they open their unusually wide ...

The video shows a diver floating in the water, his mouth wide open. A fish is seen exploring every nook and corner of his teeth. Soon, another fish joins in, and they both continue their adventure.

When told about a strange, fanged fish that had washed ashore on an Oregon beach, ... which had fanged teeth within a wide mouth and measured nearly 5 feet long, as a longnose lancetfish.

When told about a strange, fanged fish that had washed ashore on an Oregon beach, ... which had fanged teeth within a wide mouth and measured nearly 5 feet long, as a longnose lancetfish.

When told about a strange, fanged fish that had washed ashore on an Oregon beach, ... which had fanged teeth within a wide mouth and measured nearly 5 feet long, as a longnose lancetfish.