flagfish vs American flagfish

flagfish and American flagfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
flagfish	Yes	No	No	No
American flagfish	Yes	No	No	No

As nouns, flagfish and American flagfish are synonyms defined as:

flagfish and American flagfish: a fish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida

Other synonyms of flagfish include Jordanella floridae.

flagfish (noun)	American flagfish (noun)
a fish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida	a fish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida