Any of several fishes of the family Aplodactylidae, with heavily built bodies and mottled skin patterns, found off coasts of southern continents; especially Aplodactylus arctidens of New Zealand waters.
Origin
1920s.
Definition of marblefish in US English:
marblefish
noun
Any of several fishes of the family Aplodactylidae, with heavily built bodies and mottled skin patterns, found off coasts of southern continents; especially Aplodactylus arctidens of New Zealand waters.