Spanish mackerel vs Trachurus symmetricus

Spanish mackerel and Trachurus symmetricus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spanish mackerel	Yes	No	No	No
Trachurus symmetricus	Yes	No	No	No

As nouns, Spanish mackerel and Trachurus symmetricus are synonyms defined as:

Other synonyms of Spanish mackerel include horse mackerel, jack mackerel, saurel.

Spanish mackerel (noun)	Trachurus symmetricus (noun)
any of several large marine food fishes of the genus Scomberomorus	a California food fish
medium-sized mackerel of temperate Atlantic and Gulf of Mexico
a California food fish
flesh of commercially important fishes especially of the Atlantic coastal waters of America