Found in seafloors, well adapted to extremely low and stable temperatures (-1.86°C), annual mean temperature of McMurdo Sound) . Feed on polychaetes, gastropods, isopods, amphipods and few algae. Spawn once a year . Utilized for human consumption. The report by Ref. 4537 as commercially important is probably a mistake for Trematomus eulepidotus (SAU, NB303).
Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 34 - 39; Anal soft rays: 31 - 35. Body brownish, large dark spots in two or three series on body. Spinous dorsal blackish in upper part .: fusiform / normal.
Behavioural data for Emerald rockcod is currently being reviewed.
Although members of this Family are known to tend to egg masses, it is assumed that because of the high fecundity, this species is a non-guarder (RF), to be corrected if direct information becomes available.
Marine; demersal; depth range 0 - 700 m , usually 0 - 200 m . Polar; 61°S - 78°S South Shetland, Elephant and South Orkney islands.
polychaetes, gastropods, isopods, amphipods and few algae
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 12 records indexed .
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