Roker, Thornback skate
Thornback ray is a medium-sized member of the skate family, named after the distinctive thorn-like spines found across its upper surface and along its tail. Its colour varies considerably, although the upper surface is typically mottled brown or grey with darker spots and lighter patches, while the underside is pale. Females can grow to around 120cm in length and are generally larger than males.
Thornback ray is widely distributed throughout the northeast Atlantic and is common around the coasts of Britain and Ireland. Its wider range extends from northern European waters south along the Atlantic coast of Europe and into the Mediterranean.
It is primarily an inshore species, inhabiting sandy, muddy, gravelly and mixed seabeds. Important populations are found in several areas around the UK, including the North Sea, English Channel, Celtic Sea and Irish Sea.
Sustainability Rating
Status: Sustainability varies considerably according to where thornback ray is caught. Some UK stocks are considered healthy, with biomass at sustainable levels and fishing pressure within recommended limits. Other areas have less reliable data or greater fishing pressure, making the origin of the fish particularly important.
Best Choice: Thornback ray from well-managed stocks where populations are healthy, fishing pressure is within sustainable limits, and catches are accurately identified and monitored.
Avoid: Thornback ray from areas where stocks are under greater pressure or where there is insufficient information to demonstrate that catches are sustainable. Avoid unidentified "skate wings", as different ray species vary significantly in their conservation status.
Culinary Uses
The wings are the most commonly eaten part of the fish and provide firm, white flesh with a mild, slightly sweet flavour.
Ideal for poaching, pan-frying or baking.
Traditionally served with butter, capers and lemon.
Its firm texture also works well with stronger sauces and accompaniments.
Best Fishing Practices
Accurate identification is particularly important when buying ray, as skinned wings from different species can be difficult to distinguish. Asking which species and fishery the ray has come from helps ensure a more responsible choice.
Thornback rays grow relatively slowly, mature late and produce a small number of eggs each year, making careful stock management essential.
Selecting larger, mature fish can also help protect juvenile populations. Ray wings smaller than 22cm are not recommended.
Seasonality
Thornback ray can be available throughout much of the year, although availability varies by location and fishery. Responsible sourcing should take precedence over seasonality alone, with the health of individual stocks an important consideration.
Supporting Local, Sustainable Seafood
Thornback ray demonstrates why knowing the origin and exact species of seafood matters. Stocks can differ significantly between fishing areas, so traceability is essential when making a responsible choice.
Choosing clearly identified thornback ray from healthy, well-managed stocks supports better fisheries management while helping protect more vulnerable ray populations for the future.
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