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