Sailfish Roll a Huge Sardine Katamari

This sailfish is keeping an eye on group of sardines that he an...  ...e on group of sardines that he and some 100 other sailfish have driven together to form a ball the size of a...  ...ether to form a ball the size of an elephant. Sailfish hunt in packs and work together to dr...

http://www.neatorama.com/2009/02/02/sailfish-roll-a-huge-sardine-katamari/