Lampris regius vs opah

Lampris regius and opah both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lampris regius	Yes	No	No	No
opah	Yes	No	No	No

As nouns, Lampris regius and opah are synonyms defined as:

Lampris regius and opah: large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean

Other synonyms of Lampris regius include moonfish.

Lampris regius (noun)	opah (noun)
large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean	large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean