Overview
- The peer‑reviewed paper published this week in July 2026 formally presents two independent underwater videos from July 29, 2024 and September 2025 that show orcas breaking a sharptail sunfish into pieces by coordinated high‑speed ramming.
- Both videos depict a coordinated sequence in which one orca restrained the sunfish by the tail, a second orca struck it at speed causing catastrophic fragmentation, and juvenile whales then fed on the drifting pieces.
- Authors and outside experts offer competing explanations that include efficient prey processing to reach internal organs, social feeding that helps juveniles learn, or non‑functional play, but they stress the function is not yet confirmed.
- Researchers note the sharptail sunfish’s large size and collagen‑rich, laterally compressed body makes it prone to fragment after impact, which could make ramming an energetically sensible way to access nutritious parts without damaging teeth.
- The study relies on researcher and citizen video and calls for more systematic footage, careful photo ID of whales, and caution about increased boat tourism because more disturbance could change orca behavior and affect local communities that depend on sea tours.