KNTV NBC Nightly News November 30, 2013 01:46:00
Clues to an epidemic affecting waters from alaska to southern california causing millions of starfish to fall apart and melt away. >> our group is looking to try to map the timing of the onset of the disease and locations of the disease up and down the coast so it will help us point to causes. >> reporter: the die-off decimated the starfish population in this cove. two species that used to thrive here have now vanished. sea stars, commonly known as starfish, are natural predators feeding on mussels and clams that can tip this fragile eco-system out of balance. >> are you worried this could be ...