#genus_Alosa__Alosa  shad
  supertype:  fish_genus  any of various genus of fish
  member of:  family_Clupeidae
  member:  shad  herring-like food fishes that migrate from the sea to freshwater to spawn
  member:  Alosa_pseudoharengus__alewife__Pomolobus_pseudoharengus  shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus

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