#skate  large edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins
  supertype:  #ray  cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
  member of:  #family_Rajidae
  subtype:  #gray_skate__Raja_batis  common European skate used as food
  subtype:  #little_skate__Raja_erinacea  most plentiful skate in North American inshore waters in summer; to 21 inches
  subtype:  #thorny_skate__Raja_radiata  cold-water bottom fish with spines on the back; to 40 inches
  subtype:  #barndoor_skate__Raja_laevis  one of the largest skates (to 5 feet); an active skate easy to hook

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