The steak or the mahi-mahi for dinner? This is usually the most stressful choice we are faced with while on vacation — everything else is, well, at bay.

During a recent cruise, passengers were snapped out of their vacation mode when the captain made an abrupt stop. After changing course, everyone onboard was less concerned about what was on the menu and more worried about what was in the water.

PassengersĀ boarded the Pacific Princess cruise ship ready to start their vacation and float away from their responsibilities. With their problems behind them and the open ocean in front of them, they expected smooth sailing for the duration of their trip.