(Left) Generalized schematic showing the relative position of the first pharyngeal pouch and elements in the first pharyngeal arch. The upper (green) and lower (blue) elements in the first pharyngeal ...

The evolution of parrotfish saw two morphological innovations, pharyngeal jaw modification and the novel intramandibular joint. The pharyngeal jaw, a characteristic of all parrotfish, is basically a ...

The toothy visage of a moray eel is a fearsome sight. The discovery that morays can thrust a second pair of jaws out from their throat to wolf down prey whole increases their predatory reputation ...

As the Moray eel feeds, a second set of jaws emerges from the throat to help the eel swallow its prey. This video allowed researchers to identify the eel's unique feeding style. Credit: Rita Mehta.

For most fish that can exit the water to feed on land, the skill comes with a catch: After they capture their prey, they need water to actually swallow it. This usually means dragging their food back ...

Scientists in California have reported that moray eels have a set of teeth within a second set of jaws, called the pharyngeal jaws, that help them capture their prey. Once the moray eel secures its ...