⚕️ General information only — not medical advice. If pregnant or unwell, always follow the guidance of your midwife, GP or NHS 111. Full disclaimer

Fish & Seafood

Fish safety from mercury limits to leftover storage.

All answers

🟢Prawns🟢Crab🔴Oysters🟢Cod🟢Haddock🟡Salmon🟡Mackerel🟡Sardines🟡Tuna🔴Swordfish🔴Smoked Salmon🟡Sushi🟡Raw Fish🟢Fish🟡Reheat salmon🟡Reheat fish🟡Reheat cod🟡Reheat battered fish🟡Reheat fish pie🟡Reheat prawns🟡Reheat tuna pasta

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Food safety essentials

AMAZON

Fridge thermometer

The cheapest food-safety upgrade there is — know your fridge runs at 0–5°C.

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AMAZON

Digital food thermometer

One probe answers 'is it cooked?' and 'is it reheated?' for good.

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AMAZON

Airtight storage containers

Sealed food lasts longer in the fridge, the freezer and the cupboard.

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The information on 247foodcheck.com is compiled from official public guidance (NHS, Food Standards Agency, USDA/FDA FoodKeeper) and is provided for general information only. It is not medical advice and does not replace guidance from your midwife, GP, health visitor or other qualified professional. When in doubt, throw it out — and if you feel unwell after eating something, contact NHS 111 or your doctor.