PADDLEFISH
paddlefish, duckbill, Polyodon spathula
(noun) primitive fish of the Mississippi valley having a long paddle-shaped snout
Source: WordNet® 3.1
Etymology
Noun
paddlefish (plural paddlefishes or paddlefish)
Any of several primitive fish, of the family Polyodontidae, that have a long snout shaped like a paddle.
Source: Wiktionary
Pad"dle*fish`, n. (Zoöl)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition