#otter  freshwater carnivorous mammal having webbed and clawed feet and dark brown fur
  supertype:  musteline_mammal__mustelinemammal__musteline  fissiped fur-bearing carnivorous mammals
  member of:  genus_Lutra
  subtype:  river_otter__riverotter__Lutra_canadensis  sociable aquatic animal widely distributed along streams and lake borders in North America
  subtype:  Eurasian_otter__Lutra_lutra  otter found in Europe and Asia

No statement uses or specializes otter; click here to add one.