Dogfish

from WordNet (r) 3.0 (2006)

dogfish
    n 1: primitive long-bodied carnivorous freshwater fish with a
         very long dorsal fin; found in sluggish waters of North
         America [syn: {bowfin}, {grindle}, {dogfish}, {Amia calva}]
    2: any of several small sharks

from The Collaborative International Dictionary of English v.0.48

Houndfish \Hound"fish\, n. (Zool.)
   Any small shark of the genus {Galeus} or {Mustelus}, of which
   there are several species, as the smooth houndfish ({Galeus
   canis}), of Europe and America; -- called also {houndshark},
   and {dogfish}.
   [1913 Webster]

   Note: The European nursehound, or small-spotted dogfish, is
         {Scyllium canicula}; the rough houndfish, or
         large-spotted dogfish, is {Scyllium catulus}. The name
         has also sometimes been applied to the bluefish
         ({Pomatomus saltatrix}), and to the silver gar.
         [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Roussette \Rous*sette"\, n. [F.; -- so called in allusion to the
   color. See {Russet}.]
   1. (Zool.) A fruit bat, especially the large species
      ({Pieropus vulgaris}) inhabiting the islands of the Indian
      ocean. It measures about a yard across the expanded wings.
      [1913 Webster]

   2. (Zool.) Any small shark of the genus {Scyllium}; -- called
      also {dogfish}. See {Dogfish}.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Amia \Am"i*a\, n. [L., fr. Gr. ? a kind of tunny.] (Zool.)
   A genus of fresh-water ganoid fishes, exclusively confined to
   North America; called {bowfin} in Lake Champlain, {dogfish}
   in Lake Erie, and {mudfish} in South Carolina, etc. See
   {Bowfin}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Dogfish \Dog"fish`\, n. (Zool.)
   1. A small shark, of many species, of the genera {Mustelus},
      {Scyllium}, {Spinax}, etc.
      [1913 Webster]

   Note: The European spotted dogfishes ({Scyllium catudus}, and
         {Scyllium canicula}) are very abundant; the American
         smooth, or blue dogfish is {Mustelus canis}; the common
         picked, or horned dogfish ({Squalus acanthias})
         abundant on both sides of the Atlantic.
         [1913 Webster]

   2. The bowfin ({Amia calva}). See {Bowfin}.
      [1913 Webster]

   3. The burbot of Lake Erie.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Bowfin \Bow"fin`\, n. (Zool.)
   A voracious ganoid fish ({Amia calva}) found in the fresh
   waters of the United States; the mudfish; -- called also
   {Johnny Grindle}, and {dogfish}.
   [1913 Webster]