ganoid vs ganoid fish

ganoid and ganoid fish both are nouns.

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

As nouns, ganoid and ganoid fish are synonyms defined as:

ganoid and ganoid fish: primitive fishes having thick bony scales with a shiny covering

ganoid (noun)	ganoid fish (noun)
primitive fishes having thick bony scales with a shiny covering	primitive fishes having thick bony scales with a shiny covering