sand lance

from WordNet (r) 3.0 (2006)

sand lance
    n 1: very small silvery eellike schooling fishes that burrow
         into sandy beaches [syn: {sand lance}, {sand launce}, {sand
         eel}, {launce}]

from The Collaborative International Dictionary of English v.0.48

Lance fish \Lance" fish`\n. (Zool.)
   A slender marine fish of the genus {Ammodytes}, especially
   {Ammodytes tobianus} of the English coast; -- called also
   {sand lance}.
   [1913 Webster] Lancegay