Movie 1.

Juvenile snapping shrimp produce high speed strikes capable of generating cavitation. Movie shows a dorsal view of a snapping shrimp strike, with the snapping claw in focus and the body trailing to the right of the screen. Rotation of the dactyl begins at 00:02″ with complete closure at 00:04″. Upon claw closure, the cavitation bubble is expelled from the claw and the initial collapse of the bubble occurs at 00:05″. Movie was filmed at 300,000 frames s^-1, played back at 30 frames s^-1.