Scientists Stunned by Orcas Making Prey Explode
The ramming “could have just been for fun,” a scientist said.

VALERY HACHE/AFP via Getty Images
Scientists have documented a bizarre new behavior in killer whales that left researchers astonished: body-slamming giant prey so hard it explodes into thousands of pieces. The newly described “ram-to-fragment” behavior was captured off Mexico in 2024 and detailed in the journal Frontiers in Ethology. After a pod killed a massive sharp-tail sunfish, an adult female held the carcass in place while an adult male slammed into it at high speed, instantly shattering it. “It was like an explosion,” lead researcher Kathryn Ayres told ABC News, adding that she’d never seen such behavior from an orca before. A juvenile orca was then seen feeding on the smaller fragments, leading scientists to believe the behavior may help younger whales eat more easily. But Ayres said it could also simply be play. “Orcas are well-known for engaging in play with prey,” she told CNN, adding that the whales had already eaten the fish’s most nutritious organs, suggesting the dramatic impact “could have just been for fun.”
A group of orcas was captured on camera engaging in what scientists call "ram-to-fragment" behavior.
— ABC News (@ABC) July 23, 2026
One whale holds a large sunfish and lets go just before another rams it at high speed, pulverizing the fish into thousands of pieces.
In a new study, scientists say the behavior… pic.twitter.com/uNABrcGMXe
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