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                   | 
                   Parasite | 
                   Group | 
                   Hosts | 
                  Abnormal site | 
                 
                
                    | 
                  Anisakis simplex | 
                  Nematode | 
                  Alaska pollack, etc. | 
                  Viscera | 
                 
                
                   | 
                  Hysterothylacium aduncum | 
                  Nematode | 
                  Alaska pollack, etc. | 
                  Viscera | 
                 
                
                    | 
                  Nybelinia surmenicola | 
                  Cestode | 
                  Alaska pollack, etc. | 
                  Viscera | 
                 
                
                   | 
                  Bothriocephalus scorpii | 
                  Cestode | 
                  Alaska pollack, etc. | 
                  Viscera | 
                 
                
                    | 
                  Echinorhynchus gadi | 
                  Acanthocephalan | 
                  Alaska pollack, etc. | 
                  Viscera | 
                 
              
             
             
             
              
             
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