Bathylagus antarcticus, the Antarctic deep-sea smelt, is a deep-sea smelt found around the Southern Ocean as far south as Antarctica, to depths of 4000m (13,000feet). This species grows to a length of 14cm (06inches) SL.
References
Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982)