Author: Boulenger, 1902
FBname: Emerald rockcod
Remark: The genus <i>Pseudotrematomus</i> is a synonym of <i>Trematomus</i>, which is confirmed by a molecular study to be published (J.-C. Hureau, pers. comm. 08 Jun. 2010).
Comments: Found in seafloors, well adapted to extremely low and stable temperatures (-1.86°C), annual mean temperature of McMurdo Sound) (Ref. 45168).  Feed on polychaetes, gastropods, isopods, amphipods and few algae.  Spawn once a year (Ref. 1071).  Utilized for human consumption.