The gilthead seabream
is distinguished by having a highly convex head profile and a slightly shorter lower jaw than the upper jaw. The body is oval, tall, and compressed. The dorsal fin is single with 11 spiny rays and 12-13 soft rays. The back is bluish-gray and the sides are silvery with thin longitudinal gray lines. A black band and a golden band are interposed between the eyes. The scapular region is black. The dorsal fin is bluish-gray.
The maximum length of the gilthead seabream is 70 cm, but the most common range is between 20 and 50 cm; it can reach a weight of approximately 10 kg.