anguilliform

from The Collaborative International Dictionary of English v.0.48

Anguilliform \An*guil"li*form\, a. [L. anguilla eel (dim. of
   anguis snake) + -form.]
   Eel-shaped.
   [1913 Webster]

   Note: The "Anguill[ae]formes" of Cuvier are fishes related to
         thee eel.
         [1913 Webster]