What Fish is in Season in Scotland?

Scottish waters produce some of the finest seafood in the world across a remarkably wide range of species. Understanding what's in season — and what that means for quality and availability — helps chefs build better menus, chip shop owners manage their buying, and fishmongers keep their counters interesting throughout the year.

This is a practical guide to Scottish seafood seasons, written for trade buyers rather than home cooks.

Why Seasonality Matters for Wholesale Buyers

Buying fish in season means buying fish that's abundant, well-fed, and in peak condition. Out-of-season fish is often available but may be spawning, lean, or simply less plentiful — which pushes up the price and reduces the quality. Building your menu or buying schedule around seasonal availability gives you better quality fish at better prices, and a more interesting and credible offering for your customers.

Scottish Seafood — Season by Season

Haddock Available year-round as a core wholesale product, but quality and price vary. Best avoided during the spring spawning period (February to April) when fish can be softer and less flavourful. Summer and autumn haddock is typically in the best condition.

Cod Year-round availability, but Scottish cod is at its best in late autumn and winter when the fish are feeding actively and building condition after the summer. Spring cod can be softer post-spawning.

Langoustines (Scottish Prawns) Best availability runs from late spring through to autumn. West Coast and Scottish island langoustines are at their peak in summer when they're most active in the pots. Winter availability is lower as langoustines move to deeper water and become less catchable.

Scallops Scottish hand-dived scallops are available through most of the year but are traditionally at their best in autumn and winter. There is a closed season for dredged scallops in many Scottish areas — hand-dived scallops are available for longer. Check current season status with your supplier.

Salmon Scottish farmed salmon is available year-round as a consistent wholesale product. Wild salmon has a defined season running from February to October depending on the river, but farmed salmon is the primary wholesale product throughout the year.

Sea Trout A seasonal species — available from approximately March to September. Worth featuring on menus when in season as a premium alternative to salmon. Less widely available outside of season.

Mackerel A highly seasonal species. Scottish mackerel is at its best in summer and early autumn when the fish are feeding well and have built up their fat content. Winter mackerel is leaner and less flavourful. Buy mackerel in season — it's one of the most dramatic improvements a seasonal switch can make.

Crab Scottish brown crab is available through most of the year but is at its best from late spring through to autumn. Winter crab tends to be emptier-shelled and less full of meat. Best buying period is May to October.

Lobster Available through most of the year from Scottish waters but less abundant in winter. Summer lobster is at its most plentiful. Prices are typically lower in summer when catches are higher.

Herring and Kippers Scottish herring for kippers is a summer product — herring are fattest and most flavourful through the summer months, which is when traditional kippers are made. Year-round supply of smoked kippers is possible from stored product but peak quality is summer-smoked.

Lemon Sole and Plaice Both available through most of the year but at their best in spring and early summer. Plaice in particular benefits from buying before the summer spawning season.

Monkfish Available year-round as a consistent wholesale product. Less affected by seasonality than other species due to its deep-water habitat and feeding patterns.

Mussels Scottish rope-grown mussels are available through most of the year but there is traditionally a summer closed period when mussels are spawning and in poorer condition. Best availability is autumn through to spring. Check with your supplier for current availability.

Building a Seasonal Menu

For restaurants and hotels, the practical approach to Scottish seafood seasonality is to have a core menu of year-round species — haddock, cod, salmon, monkfish — and rotate specials around what's in peak condition. Featuring langoustines in summer, sea trout in spring, mackerel through summer, and crab from late spring through autumn gives a menu genuine seasonal credibility.

For chip shops, the main seasonal consideration is haddock quality — knowing when haddock is at its best and when to consider other species as a value alternative gives you better buying intelligence.

For fishmongers, seasonality is the story that sells. A counter that reflects what's running well in Scottish waters is more interesting and more credible than one that sells the same species at the same prices all year round.

Clark Seafoods — Daily Availability Updates

Clark Seafoods updates today's availability daily at clarkseafoods.co.uk/todays-availability — reflecting what's landed at Peterhead, Shetland and our own Buckie landings on any given day. Trade customers can check current stock and pricing before placing orders.

Open a trade account at clarkseafoods.co.uk.