New Wave has a firm policy to buy seafood only from well-managed, sustainable sources in order to protect our oceans for the future. It also means you can be assured of fresher, better-quality fish. New Wave is MSC-certified (Chain of Custody code MSC-C-60025). Also, we regularly consult and act upon the sustainability ratings listed in the MCS (Marine Conservation Society) ‘Good Fish Guide’.


Blue-fin tuna – all species, including Atlantic bluefin tuna (Thunnus thynnus, except for one strictly enforced new hook and line fishery in Cornwall), Pacific blue-fin tuna (T. orientalis) and Southern blue-fin tuna (T. maccoyii)
Blue marlin (Makaira nigricans)
Common ling (Molva molva)
Conger eel (Conger conger)
European eel (Anguilla anguilla)
Grouper (Epinephelinae family)
Parrotfish (Scaridae and Scarinae family)
Rays – Blond ray (Raja brachyura), Sandy ray (Leucoraja circularis), Shagreen ray (Leucoraja fullonica), Small-eyed ray (Raja microocellata), Starry ray (Amblyraja radiata)
Sharks – all species, including Dogfish (Scyliorhinus canicula), Porbeagle (Lamna nasus) and Tope (Galeorhinus galeus)
Skate – all species, including Blue skate (Dipturus batis), Longnosed skate (Dipturus oxyrinchus), White skate (Rostroraja alba) and Flapper skate (Dipturus intermedius)
Sturgeon (Acipenser, Huso species); farmed sturgeon is sustainable and used to produce our caviar
Tub gurnard (Triglia or Chelidonichthys lucerna)
The 'Good Fish Guide' is constantly being updated, and we keep up with developments as the MCS’s sustainability ratings are amended.