Ninety percent of the big fish -- sharks , tuna , swordfish -- are already gone , according to a 2003 study in Nature . Ted Danson : September 8 is the first U.N.-recognized World Fish Day . He says oceans are in crisis with 75 percent of seafood species in danger . Save oceans is doable if we allow fish species to rebound , Danson says .
Ted Danson : September 8 is the first U.N.-recognized World Fish Day . He says oceans are in crisis with 75 percent of seafood species in danger . Save oceans is doable if we allow fish species to rebound , Danson says .