The Antarctic lanternfish or Electrona antarctica mainly inhabits the Antarctic deep, twilight zone.

It is the dominant species in the Southern Ocean.

Small fish primarily feed on copepods, euphausiid larvae, and hyperiids.

[4] It is an important krill predator and serves as prey for a majority of seabirds.

[5] It is one of the southernmost fish species, being recorded as far south as 74°40′S in the Ross Sea.