[1] : The Collaborative International Dictionary of English v.0.48

paddlefish \pad"dlefish`\, n. zool
   a large ganoid fish polyodon spathula found in the rivers
   of the mississippi valley. it has a long spatula-shaped
   snout. called also duck-billed cat, and spoonbill
   sturgeon.
   1913 webster
see also:
polyodon spathula duck-billed cat spoonbill sturgeon 

[2] : WordNet (r) 2.0

paddlefish
     n : primitive fish of the mississippi valley having a long
         paddle-shaped snout syn: duckbill, polyodon spathula
     also: paddlefishes pl
see also:
duckbill polyodon spathula paddlefishes 

Paddle-Fish >> P Words
Paddle-Fish, definition of term: Paddle-Fish
paddle-fish_pag1.html