Pacific cod vs Gadus macrocephalus

Pacific cod and Gadus macrocephalus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pacific cod	Yes	No	No	No
Gadus macrocephalus	Yes	No	No	No

As nouns, Pacific cod and Gadus macrocephalus are synonyms defined as:

Other synonyms of Pacific cod include Alaska cod.

Pacific cod (noun)	Gadus macrocephalus (noun)
closely related to Atlantic cod	closely related to Atlantic cod