grey snapper vs gray snapper

grey snapper and gray snapper both are nouns.

Word	Noun	Adjective	Verb	Adverb
grey snapper	Yes	No	No	No
gray snapper	Yes	No	No	No

As nouns, grey snapper and gray snapper are synonyms defined as:

grey snapper and gray snapper: found in shallow waters off the coast of Florida

Other synonyms of grey snapper include Lutjanus griseus, mangrove snapper.

grey snapper (noun)	gray snapper (noun)
found in shallow waters off the coast of Florida	found in shallow waters off the coast of Florida