grey snapper vs mangrove snapper

grey snapper and mangrove snapper both are nouns.

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

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

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

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

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