Rock salmon

- Rock salmon can also refer to the mangrove red snapper
Rock salmon, also called rock eel, flake, huss or Sweet William, is a dish popular in Britain, often served as part of a fish and chips supper.
The dish can be one of many species of small shark, including the spiny dogfish (Squalus acanthias), Rough-hound (Scyliorhinus canicula) or the bull huss (Scyliorhinus stellaris).