paddlefish vs ganoid fish

paddlefish and ganoid fish both are nouns.

Word	Noun	Adjective	Verb	Adverb
paddlefish	Yes	No	No	No
ganoid fish	Yes	No	No	No

As nouns, ganoid fish is a hypernym of paddlefish; that is, ganoid fish is a word with a broader meaning than paddlefish:

paddlefish: primitive fish of the Mississippi valley having a long paddle-shaped snout
ganoid fish: primitive fishes having thick bony scales with a shiny covering

Other hypernyms of paddlefish include ganoid.

paddlefish (noun)	ganoid fish (noun)
primitive fish of the Mississippi valley having a long paddle-shaped snout	primitive fishes having thick bony scales with a shiny covering