thread-fish vs Alectis ciliaris

thread-fish and Alectis ciliaris both are nouns.

Word	Noun	Adjective	Verb	Adverb
thread-fish	Yes	No	No	No
Alectis ciliaris	Yes	No	No	No

As nouns, thread-fish and Alectis ciliaris are synonyms defined as:

thread-fish and Alectis ciliaris: fish having greatly elongated front rays on dorsal and anal fins

Other synonyms of thread-fish include threadfish.

thread-fish (noun)	Alectis ciliaris (noun)
fish having greatly elongated front rays on dorsal and anal fins	fish having greatly elongated front rays on dorsal and anal fins