This species is distinguished from its congeners in the Hajar Mountains by the following set of characters, none of them unique: differs from G. barreimiae by absence of orange spot at the upper opercle (vs. presence), with a white dorsal fin tip (vs. presence), and by having the number of gill rakers on the lower limb of the first gill arch, 10-14 (vs. 15-18); differs from G. gallagheri and G. longipinnis by having a strongly mottled flank pattern (vs. almost plain or with slight mottling) and individual or series of orange midlateral flank scales (vs. no orange scales); differs from G. shamal by the absence of a white dorsal-fin tip (vs. presence), orange scales on the flank usually present (vs. usually absent) and by having black dorsal-fin membranes (vs. hyaline, brown, grey, often hyaline in proximal and black on distal portion) (Ref. 122023).