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Reliable sourcing

Sustainable sourcing

We have a shared responsibility to protect our natural environment and seafood stocks for future generations. You can be confident that all the fish you buy from us is fully traceable and comes from sustainable sources whenever possible.


Seasonality affects the availability, quality and sustainability of fresh fish. Take a look at our ‘What’s In Season’ guide to find out more and register for our daily savers specials bulletin to keep up to date with seasonal information and special offers.

The Marine Conservation Society (MCS) has also produced a handy guide to the best choices for fresh, wild caught fish. Their advice is to avoid buying fish during their breeding or spawning times, the ‘red’ months, and below the size at which they mature to help maintain stock levels. Buy fish during the ‘green’ months, these months are outside the breeding season and the best time to enjoy eating them.


Stickleback Fish is committed to sustainable fish practices and a proud supporter of the Marine Stewardship Council. We are delighted to have been awarded the MSC Chain of Custody Standard (MSC-C-53997), joining an exclusive club of fish suppliers with this prestigious status. The Chain of Custody certification ensures traceability of certified sustainable seafood through every stage of processing, from fishery to final consumer.

Along with our current selection of MSC-approved seafood, we are fully committed to offering an increasing selection of fish from sustainable sources. We pride ourselves on the relationships we have with many direct suppliers, processors and individual fisherman and source seafood from every corner of the UK.

We work with a number of organisations to determine specific sustainability requirements and policies. The following links offer the most up-to-date advice: