Coregonus artedi vs whitefish

Coregonus artedi and whitefish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Coregonus artedi	Yes	No	No	No
whitefish	Yes	No	No	No

As nouns, whitefish is a hypernym of Coregonus artedi; that is, whitefish is a word with a broader meaning than Coregonus artedi:

Coregonus artedi: important food fish of cold deep lakes of North America
whitefish: silvery herring-like freshwater food fish of cold lakes of the Northern Hemisphere

Coregonus artedi (noun)	whitefish (noun)
important food fish of cold deep lakes of North America	silvery herring-like freshwater food fish of cold lakes of the Northern Hemisphere
	flesh of salmon-like or trout-like cold-water fish of cold lakes of the Northern Hemisphere
	any market fish--edible saltwater fish or shellfish--except herring