Differs from its congeners in Iberian Peninsula by the following characters: 37-42 + 2-3 scales on lateral line; 3-5 scale rows between lateral line and pelvic origin; infraorbital bones broad, width of infraorbitals 2 and 5 about 4-5 times width of sensory canal on same bones; a black crescentic mark on scale pocket of each flank scale (often indistinct in life); head length about equal to body depth; caudal peduncle depth usually 2.0-2.6 times in its length; and mouth terminal, snout pointed (Ref. 59043). Other diagnostic features include communication preopercular-mandibular and infraorbital canals present; and supraethmoid wide and short (Ref. 28035).