This noise stems from a special type of pharyngeal teeth that are used to extract snails from their shells.
12.
Molas are said to be able to produce sound by grinding their long, claw-like pharyngeal teeth.
13.
Cichlids'distinctive pharyngeal teeth, in the throat of the fish, are present in shell dwellers, though small.
14.
Pharyngeal teeth are located in the throat of some species of fish, specifically the pharyngeal arch of these fishes throats.
15.
The Cape Fear shiner ( family Cyprinidae ) only has pharyngeal teeth, similar to the teeth of other omnivorous shiners.
16.
Molids are said to be able to produce sound by grinding their pharyngeal teeth, which are long and claw-like.
17.
Compared to the other members of the genus " Zebrasoma ", the sailfin tang has larger but fewer pharyngeal teeth.
18.
The pharyngeal teeth are long, straight, and knife-shaped; the dorsal part of each tooth has a narrow grinding surface.
19.
Members of the " Botia " genus such as clown loaches are known to make distinctive clicking sounds when they grind their pharyngeal teeth.
20.
Like other members of their family, these fish produce a grunting sound by grinding their pharyngeal teeth, the behavior which inspired their common name.