Glossogobius, Gill, 1859

A key to the species and clades of Glossogobius View in CoL from the Oman Sea basin:

1a. Predorsal area fully scaled to above preopercle margin; all papillae lines on snout, suborbital, and underside of the head single; blotch on caudal fin base triangular, with a distinct unpigmented gap posteriorly........................ G. tenuiformis

1b. Predorsal area fully scaled to behind eyes, with a distinct naked patch usually present; suborbital papillae lines 9–10, papillae Line 13 on underside of head, and papillae Line 1a on snout all doubled or tripled; blotch on caudal fin base triangular, without a distinct unpigmented gap posteriorly..................................................................... 2

2a. Papillae Line 5 below eye and suborbital papillae Line 7 doubled....................................... G. laticeps

2b. Papillae Line 5 below eye and suborbital papillae Line 7 single................................... G. giuris ‘clade B’