Pylodictus olivaris

from WordNet (r) 3.0 (2006)

Pylodictus olivaris
    n 1: large catfish of central United States having a flattened
         head and projecting jaw [syn: {flathead catfish}, {mudcat},
         {goujon}, {shovelnose catfish}, {spoonbill catfish},
         {Pylodictus olivaris}]

from The Collaborative International Dictionary of English v.0.48

mudcat \mudcat\, mud cat \mud cat\n.
   A large catfish ({Pylodictus olivaris}, formerly {Leptops
   olivaris}) of the central U. S. having a flattened head and
   projecting jaw.

   Syn: flathead catfish, goujon, shovelnose catfish, spoonbill
        catfish, {Pylodictus olivaris}.
        [WordNet 1.5] mud-dauber