American flagfish vs flagfish

American flagfish and flagfish both are nouns.

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

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

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

Other synonyms of American flagfish include Jordanella floridae.

American flagfish (noun)	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