The Pelagic cod (Melanonus gracilis) is a small deepwater fish found in the Southern Ocean. It is one of only two species currently classified in the family Melanonidae , the other being the Arrowtail , Melanonus zugmayeri.

The Pelagic cod is found in subantarctic and temperate waters, occasionally being caught in the tropics. It may be found at depths between 150m - 3600m. It is from the order Gadiformes, related to true cods. It may grow up to 19cm in length. It has no commercial value.