Genus Macrozoarces refers to a group of fishes that share some common features. Synonyms of this group include "large-scale cod," "blackbelly snailfish," and "whalefish." These fishes are known for their unique adaptations to life in the deep sea, including the ability to withstand extreme pressure and the absence of light. The various species within this genus are found worldwide, from the Arctic to the Antarctic. While they may not be as well-known as some other marine animals, Genus Macrozoarces fishes play an important role in the deep-sea ecosystem, serving as prey for larger predators and helping to maintain a balanced food web.