The Speak Up For Blue Podcast

This bait ball in Australia surprised beachgoers at Manly Beach last week as three separate bait balls combined to form one huge ball. The bait ball is a natural process that fish use to help protect themselves against predators such as sharks, tuna, swordfish, marine mammals, and seabirds. If this was a natural process, then why were beachgoers asked to get out of the water? Summary In this episode of the "How to Protect the Ocean" podcast, host Andrew Lewin discusses a fascinating natural phenomenon that occurred at Manly Beach in Australia: the formation of a large bait ball. A bait ball is created when schools of fish come together in a tight formation to protect themselves from predators. This behavior is a survival strategy, as being part of a larger group reduces individual vulnerability to attacks. The episode highlights the rare occurrence of this bait ball close to shore, which prompted lifeguards to evacuate swimmers for safety. Lewin explains that while bait balls are often seen in the open ocean,