Prue Wheeler was out for a snorkel along Western Australia’s Ningaloo Reef on May 5 when she saw an extraordinary sight: schools of fish forming a bait ball that then slowly diminished in size.

Schools of fish are able to pull off complex, co-ordinated manoeuvres without ever colliding with one another. They move in unison but don't follow a leader. To try and understand the intricacies ...

A bait ball near the shore at Palm Beach in Queensland attracted what a drone operator said were “hundreds and hundreds” of sharks for a “feeding frenzy” she caught on camera recently ...

"Black tip and spinner sharks." These bait balls also attract fishermen from all over the world. "Like to fish these bait schools because there's tarpon and big sharks," says Dean Hardy.

Researchers at the University of Hawaii at Manoa spotted the whale shark on Nov. 2 after initially seeing seabirds flying over what they assumed was a "bait ball," a spherical swarm of small fish ...

Groups of penguins were seen herding schools of fish towards the surface, corralling them into a “bait ball”. Any fish trying to escape would peel off from the group, making them easy prey.