Assertion: scorpionfish's prey | /r/CapableOf | open its mouth
Facets:
value: to create a suction
type: PURPOSE
value: rapidly
type: MANNER
Source sentences:
text: The stonefish waits in disguise as a rock on the bottom for prey to pass them by before attacking, pouncing on the prey and rapidly opening its mouth to create a suction that pulls the prey into the mouth.