Related: 'True rarity': Gigantic alligator gar caught and released in Texas reservoir ... said biologist Jeremy Wade on ...

The one predator that could threaten them is humans. "If you look at a fossil gar, and a gar that's alive today, they look basically the same," David said. "What we found is that if it ain't broke ...

Such scales were also present in the earliest ray-finned fish and are different from those of other living fish, except gar. Like many of the other living fossil fish, the bichir is especially ...

These genes were expressed in the gar’s skin, where its scales produce an enamel-like ... The researchers observed incremental lines and crystals in the scales and skull of a fossil sample, which ...