The 15 Healthiest Fish to Eat, According to Registered Dietitians

Mud ring feeding is a cooperative hunting technique used by bottlenose dolphins in shallow, muddy waters. One dolphin rapidly swims in circles around a school of fish while striking the seafloor with its tail, stirring up a thick ring of sediment that acts like a “mud net.” Trapped and disoriented, the fish leap out of the water to escape straight into the waiting mouths of the other dolphins surrounding them.