Amia calva vs ganoid fish

Amia calva and ganoid fish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Amia calva	Yes	No	No	No
ganoid fish	Yes	No	No	No

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

Amia calva: primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
ganoid fish: primitive fishes having thick bony scales with a shiny covering

Other hypernyms of Amia calva include ganoid.

Amia calva (noun)	ganoid fish (noun)
primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America	primitive fishes having thick bony scales with a shiny covering