Chiton glaucus are oval in shape, with a slightly elevated yet definite ridge running down the back of the organism. The valves and girdle are generally uniform in a green colour, but individuals brown, buff and even light blue, sometimes combined with zig zag markings.
This species are found on rocky substrates with rocky tide pools, under bivalve shells and stones. This chiton is able to survive in muddy areas and in semi-polluted areas.
This chiton hides during the day and emerges at night to graze on the open rock.