Linked from
The 9 pages that link to Pharyngeal jaw, each with the reason it gives.
TeleosteiRelated: Cichlids and other teleosts show how these jaws can specialize for feeding.
Pharyngeal teethRelated: It carries and moves the teeth that process food behind the mouth.
CichlidRelated: Cichlids use these jaws to process prey and exploit distinct food sources.
SparidaeRelated: Sparids use specialized throat teeth to crush or grind prey.
WrasseRelated: Wrasses use modified throat jaws to handle prey after seizing it with their mouths.