A long-lived marine fish (Hoplostethus atlanticus) of deep cold waters, especially off the coasts of New Zealand and Australia, having a bright reddish body and fished commercially for food.
A bright reddish-orange food fish (Hoplostethus atlanticus) of an order (Beryciformes, family Trachichthyidae) of deep-sea bony fishes with primitive bony rays.
Origin of orange-roughy
- orange (in reference to its color) roughy (probably from rough) (in reference to the texture of its scales, perhaps also influenced by Australian English ruffy, roughy ruff (the fish Arripis georgianus))
From American Heritage Dictionary of the English Language, 5th Edition