may fish vs striped killifish

may fish and striped killifish both are nouns.

Word	Noun	Adjective	Verb	Adverb
may fish	Yes	No	No	No
striped killifish	Yes	No	No	No

As nouns, may fish and striped killifish are synonyms defined as:

may fish and striped killifish: black-barred fish of bays and coastal marshes of the Atlantic and Gulf Coast of the United States

Other synonyms of may fish include Fundulus majalis, mayfish.

may fish (noun)	striped killifish (noun)
black-barred fish of bays and coastal marshes of the Atlantic and Gulf Coast of the United States	black-barred fish of bays and coastal marshes of the Atlantic and Gulf Coast of the United States