A bigger splash: key trends in seafish and shellfish

a wide variety of fish. Sustainability, seasonality and freshness are more important than ever.

h of the fish at Smoking Goat comes from a Cornwall-based business called Wild Harbour, which supplies many of the best restaurants in London. It focuses on sustainability in terms of fish and fishermen, and on getting its produce to its restaurant and hotel customers in superb condition. The company is also flexible in terms of the range of different fish species that it supplies.

It's an interesting time for seafood, according to co-owner Saul Astrinsky. "Lots of people are trying different fish now," he says. "Down here in the South West we have such a varied selection - on any one day, we have 25 or 30 species of fish for sale. And look at the percentages of fish going abroad: 100% of our hake used to go to France, but now quite a lot is eaten here."

on Hulstone, chef-proprietor at the Michelin-starred Elephant restaurant in Torquay, agrees. "The seafood market is a really exciting place at the moment," he says. "Customers are more adventurous than ever, and they are excited to try new things. That means we are able to introduce new species to the menu, cook with different products and mould the menu to suit the season, which is vitally important to sustainable sourcing. As the Elephant is a restaurant based by the coast, seafood is always at the heart of our menu, but more important is sustainability and consistency."

Sea change

For Astrinsky, sustainability is key. Wild Harbour works with around 30 fishermen to get species that are in season and, crucially, are not overfished, which requires a range of measures, he says. "We buy things that aren't under pressure. We don't take gill-netted wild bass, for instance - only line-caught bass. The species we buy are sustainable: hake, sardines. The fishermen we work with have a bigger mesh size on their nets to let the baby fish get out, and the line fishermen put immature fish back.

"We do buy chalk-stream trout from a sustainable fishery. Shellfish is a big side of our business now; in the winter we do native oysters and queen scallops. The oysters come from a place that's been farming them for 300 years, and it's all done by sail, which is sustainable. Our lobsters are caught in lobster pots and our crabs and cuttlefish are pot-caught. It's very important to us."

Astrinsky believes that people are more aware than ever of the importance of eating sustainable varieties. "I think that's definitely the case," he says. "Before, the customer wasn't particularly interested, but more and more people are asking that question now."

But sustainability is about more than just fish species. How you treat the people who catch the fish and how you transport it are just as important. On the second point, Wild Harbour is switching from single-use polystyrene boxes to reusable plastic boxes - it has just bought 700 plastic boxes to use for deliveries to London, where about 90% of its fish goes.

And then there are the fishermen. "I was a fisherman for 25 years," Astrinsky says. "Lots of the people I work with were my mates when I was fishing. We try and pay them more money than they would get on the market. It's about keeping them happy and being sustainable, too."

Another approach to sustainability is using the whole fish, according to M&J Seafood. "There is a use for every part of the fish, which is really important when you are using the best-quality ingredients," says Jason Calcutt, business development chef. "Sometimes the profit can be found by using the bones to create a rich broth, the shells for a bisque and the skin to make crisps. The trimmings can even be used in fish cakes or dumplings."

Flavour, freshness and fashion

There is plenty for fish-lovers to enjoy in London - everything from whole baked turbot at Tomos Parry's recently opened Brat on Redchurch Street in London's Shoreditch (the turbot is cooked over a low fire in a bespoke fish cage) to shellfish platters at Wright Brothers' five restaurants in the capital.

t perhaps the most interesting development is the rise of spice in seafood cooking. Those who have visited California will know all about the coriander and lime flavours of fish tacos, and these are now spreading to London, notably through the likes of El Pastor in Borough Market and Breddos in Clerkenwell.

And then there's Smoking Goat, where fish often makes up half of the dishes on offer. "A restaurant like Smoking Goat will buy the cheaper fish, the more underrated fish, like plaice or small John Dorys," says Astrinsky. "They like portion-size fish. Some restaurants work really well like that. They'll use what we've got, what's in season. The big suppliers will buy fish from all over and hold it for a long time. That's where we're different. We don't hold fish. They take what we've got."

It's now increasingly common to find seafood in Indian restaurants, where chicken and lamb have long been the standbys. At the Viceroy in Milford in Staffordshire, dishes such as scallops Tarang and oysters Tellicherry pepper are increasingly popular. These dishes are delicious and sustainable, says chef director Ain Ullah. "Our scallops have been caught by divers, which keeps the seabed a lot tidier - and probably healthier - than catching by dredging. It also explains why they cost quite a bit more. The bright orange coral or roe has an attractively briney taste and it adds a subtle savoury undertone to the sweet white meat."

Young's new product releases include mixed pink salmon and Alaska pollock pieces, a spicy salmon and black bean mini fish cake, and MSC-certified cod and parsley. "Tacos are particularly versatile as the tortilla base is a great vehicle for different toppings," says Adrian Greaves, foodservice director. "The key to a great taco lies between the balance of protein and the additional toppings and sauces to create an explosion of flavour. Young's pink salmon and Alaska pollock is a versatile flavour carrier suitable for countless cuisines and can be used in a range of formats."

shness is also crucial. Astrinsky believes it has been a decisive factor in the success of his business. "We've got fishermen who approach us, and we won't take their fish because they don't take ice to sea," he says.

Seasonality drives demand too. "Rope mussels have a big spawning period, but that's coming to an end soon, and everyone is waiting for the mussels to come back on. Turbot is very popular with London restaurants, but its season is also coming to an end. Mackerel and sardines, which are just about to start, are very popular, as is hake, which is an all-year-round fish. We must sell 700 to 800 kilos of hake a week now; when we started selling it about three years ago, we were doing 50 to 100 kilos a week."

New varieties, new ideas

Wild Harbour sells up to 30 different species of fish on any given day - a clear sign the British market is moving beyond its 'cod or haddock' culture. One new option is Norwegian fjord trout. "It has a delicate flavour, a vibrant colour, is packed with omega-3 and is versatile because different parts of the fish have different flavours and fat contents," says Hans Frode Kielland Asmyhr, UK director of the Norwegian Seafood Council. "The chefs that use it absolutely love it, and the customers do too."

hi is now well-established in the UK and demand shows no sign of falling. Kernow Sashimi supplies a number of top restaurants, while Sco-Fro has launched a range of frozen sushi. "Our Shangri La frozen sushi is light and easy to eat, ideal for lunch, as an appetiser, starter or a light snack, on the go at any time of day," says Sonja Bader, commercial director.

Quality is on the rise for both fish and seafood. There's no room for complacency, says Astrinksy, but things are definitely looking up. "You've got to have a decent approach, but things are moving that way. Let's have the whole of Britain getting incredibly good fish. I think that's possible, you know."