This story is currently streaming within the full episode, Sea Urchin Fishery/Northern Sea Lions; Balancing Rocks; Woodburn Peat Bog; Whale Tracking by Satellite (201) »
Biologists say sea urchin divers are having a big impact on the sea lions, an endanagered species. Urchins provide a fishery meeting demands for exotic seafood in places like Japan.
First Broadcast: 1990
Producer: Jim Newman