Lepidonotothen nudifrons, the yellowfin rockcod, also known as the yellow notie or the gaudy notothen, is a demersal species of notothen found in the waters of South Georgia and the islands of the Scotia Arc (e.g. the South Sandwich and the South Orkney Islands) in the Southern Ocean at depths of 5 to 350 m (16 to 1,148 ft). This species can grow up to 19.5 cm (7.7 in) TL. Adults of this species mainly feed on polychaetes, amphipods and isopods, however, fish eggs and shrimps are also taken. Juveniles and smaller adults mainly feed on copepods.