Cold, nutrient-rich deep waters of the Ross Sea host dense populations of Careproctus io, attracting specialized expedition anglers.

Rich coastal waters around Ross Island where Emerald rockcod congregate on the sea floor during the austral summer, easily accessed from the US research station.

World‑renowned for its dense populations of deep‑sea snailfish; anglers join research vessels to troll baited lines at 800‑1200 m depth.