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The black rockcod, the Antarctic yellowbelly rockcod, or the Antarctic bullhead notothen Notothenia coriiceps is a species of notothen that is widely spread around the Antarctic continent. Like other Antarctic notothenioid fishes, N. coriiceps has adapted to fu'nction in the stable, ice-cold Southern Ocean environment.

Distribution and diet
N. coriiceps maintains a circum-Antarctic distribution that is likely governed at least in part by the presence of the Antarctic Circumpolar Current (ACC) as well as egg dispersal patterns. Populations of this species have been recorded at sites in the western Ross Sea, the Weddell Sea, the Western Antarctic Peninsula, the islands of the Scotia Arc to South Georgia, the Balleny Islands, and the sub-Antarctic islands of the Indian Ocean sector. N. coriiceps feeds on macroalgae amphipods and euphausiids. It appears to feed year-round, although diet composition likely varies seasonally

Morphology
N. coriiceps members have scales that typically appear brown or gray in color. Its teeth are comprised of a multirow tooth plate and caniform teeth, which are located in the outer portion of the jaw. Adults males typically reach a length of approxiately 50 cm (20 in).

Its epithelium is characterized by the presence of fat droplets, which serve as a storage mechanism for dietary lipids. Fat droplets are also stored in bone tissue of this species.

Physiology
Like most other Antarctic notothenioids, N. coriiceps produces antifreeze glyocproteins,