In zoology|lang=en terms the difference between scarid and scaroid
is that
scarid is (zoology) any of the family scaridae of parrotfishes while
scaroid is (zoology) of or relating to the scaridae, a family of marine fishes.
As a noun scarid
is (zoology) any of the family scaridae of parrotfishes.
As an adjective scaroid is
(zoology) of or relating to the scaridae, a family of marine fishes.