Ozonate seawater is used for surface disinfection of haddock and Atlantic halibut eggs against nodavirus. Young Atlantic halibut individuals feed on crustaceans such as crabs and prawns. The Atlantic halibut is the world's largest flatfish. The Atlantic halibut is a right-eyed flounder. According to Seafood Watch, consumers should avoid Atlantic halibut. The Atlantic halibut occupies a relatively high trophic level in the food chain. The Atlantic halibut ("Hippoglossus hippoglossus") is a flatfish of the family Pleuronectidae. Atlantic halibut are eaten by seals, and are a staple food of the Greenland shark.