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             Disease 
              and Parasites 
            Hematodinium 
            Hematodinium 
              is a parasitic dinoflagellate which attacks shellfish.  
              In Georgia it has caused crab kills in the summers of 1999 and 2000.  
               
            Hematodinium 
              Links 
                
              Some 
              Blue Crabs in Georgia struck by blood disease 
                
              Parasite 
              may be responsible for crab decline 
                
              Diseases 
              of Shellfish: Hematodinium sp. 
              (Bitter Crab Disease) 
                
              Hematodinium 
              research: Blue crab, Callinectes sapidus 
              
            Pfiesteria 
              piscicida 
              
            Pfiesteria 
              piscicida 
              is a toxic dinoflagellate which has been identified as the causative 
              agent in fish kills and lesions on fish in estuaries and coastal 
              areas from Delaware to North Carolina.  Thus far, it has not 
              caused a problem in Georgia.  It is possible that because of 
              the large tidal amplitudes we have along Georgia's coast that the 
              high water temperatures and relatively stagnant water that characterize 
              areas of Pfiesteria outbreaks will not occur here.  
              However, samples are taken and analyzed by GA DNR Coastal Resources 
              Division at times when water temperatures are high. 
              
            Pfiesteria 
              Links 
              
                
              Pfiesteria 
              piscicida 
                
              Pfiesteria 
              and Fish Health (MD) 
                
              Pfiesteria 
              research at VIMS (VA) 
                
              Facts 
              about Pfiesteria 
                
              Background 
              information on Pfiesteria piscicida (NCSU Aquatic Botany 
              Lab) 
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