Underwater video captures the moment killer whales in the Gulf of California slam into a sunfish causing it to explode into smithereens. Researchers suspect the orcas are blowing up the fish to ...

Scientists captured video of orcas ramming into sunfish with such force that the fish exploded. The behavior may be for fun as well as for feeding, they report.

Researchers have documented a previously unknown hunting behaviour in orcas after underwater footage captured the marine mammals using high-speed body slams to smash giant sunfish into pieces.