Watch an orca ram a sunfish so hard that the fish explodes

By Mindy Weisberger, CNN (CNN) — How hard do you have to ram a fish to make it explode? Ask an orca. Barreling into large, heavy fish with enough force to blast them into instant chum is a previously unknown collaborative feeding strategy among orcas, scientifically called Orcinus orca, also known as killer whales. But