Thunnus alalunga vs long-fin tunny

Thunnus alalunga and long-fin tunny both are nouns.

Word	Noun	Adjective	Verb	Adverb
Thunnus alalunga	Yes	No	No	No
long-fin tunny	Yes	No	No	No

As nouns, Thunnus alalunga and long-fin tunny are synonyms defined as:

Thunnus alalunga and long-fin tunny: large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters

Other synonyms of Thunnus alalunga include albacore.

Thunnus alalunga (noun)	long-fin tunny (noun)
large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters	large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters