wreckfish vs Polyprion americanus

wreckfish and Polyprion americanus both are nouns.

Word	Noun	Adjective	Verb	Adverb
wreckfish	Yes	No	No	No
Polyprion americanus	Yes	No	No	No

As nouns, wreckfish and Polyprion americanus are synonyms defined as:

wreckfish and Polyprion americanus: brown fish of the Atlantic and Mediterranean found around rocks and shipwrecks

Other synonyms of wreckfish include stone bass.

wreckfish (noun)	Polyprion americanus (noun)
brown fish of the Atlantic and Mediterranean found around rocks and shipwrecks	brown fish of the Atlantic and Mediterranean found around rocks and shipwrecks