brook trout vs Salvelinus fontinalis

brook trout and Salvelinus fontinalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
brook trout	Yes	No	No	No
Salvelinus fontinalis	Yes	No	No	No

As nouns, brook trout and Salvelinus fontinalis are synonyms defined as:

brook trout and Salvelinus fontinalis: North American freshwater trout; introduced in Europe

Other synonyms of brook trout include speckled trout.

brook trout (noun)	Salvelinus fontinalis (noun)
North American freshwater trout; introduced in Europe	North American freshwater trout; introduced in Europe
a delicious freshwater food fish