In the global rush for resources, a tiny pink crustacean living in the seas around Antarctica is testing man's ability to manage one of the last great fisheries in the world without damaging the environment.
Krill, which grow to about six centimeters, or two inches, occurs in vast schools and is the major source of food for whales, seals, penguins and sea birds. Without it, scientists say, the ecosystem in and around Antarctica could collapse.
But krill is rich in oil brimming in omega-3 fatty acids that Norwegian and Canadian companies sell in pills. The crustaceans are also harvested for special enzymes that can be used by surgeons to clean wounds, even to clean contact lenses.
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