Conger vulgaris

from The Collaborative International Dictionary of English v.0.48

Conger \Con"ger\, n. [L. conger, congrus, akin to Gr. ?: cf. F.
   congre.] (Zool.)
   The conger eel; -- called also {congeree}.
   [1913 Webster]

   {Conger sea} (Zool.), the sea eel; a large species of eel
      ({Conger vulgaris}), which sometimes grows to the length
      of ten feet.
      [1913 Webster]