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Ingredient dictionary

Oily fish on a food label: it contains fish

Oily fish is a kind of fish. It contains fish, so the allergen labelling rules apply. It is not vegan. Open Food Facts finds it in 15,016 products, most often in oily fish.

By Bravoora teamUpdated Sources checked 6 sourcesHow we check

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Oily fish=fish

Does oily fish contain an allergen?

Yes. Oily fish contains fish: labels in the US, the UK, Europe and the Gulf must declare it.

AllergenUSUK and EuropeGulf
FishRequiredRequiredRequired

Read the fish guide

Is oily fish vegan?

No. Oily fish is not vegan: it comes from an animal. It is not vegetarian either.

VeganNot for youNot vegan: it comes from an animal.
VegetarianNot for youIt comes from fish or shellfish.
Fish allergyNot for youIt contains fish.

A pack can differ from the usual recipe: the app reads the label in your hand.

What other names does oily fish have on a label?

On European labels it is “Poisson gras” in French, “pescado azul” in Spanish and “Pesce oleoso” in Italian. The other 4 languages are listed below.

French
Poisson gras
Spanish
pescado azul
Italian
Pesce oleoso
Dutch
vette vis
Norwegian
feit fisk, fet fisk. oljete fisk
Hungarian
Olajos hal
Croatian
nauljena riba

Which foods contain oily fish?

Open Food Facts lists oily fish or a more specific kind of it in the ingredients of 15,016 products, most often oily fish, ready meals and fish and seafood. Most of them are sold in France, the United States and Germany.

  • Oily fish5,928
  • Ready meals1,690
  • Fish and seafood1,638
  • Dressings and sauces1,132
  • Salty and fatty foods479
  • Sandwiches258

Products with it, by country of sale: France 7,068 · United States 3,571 · Germany 1,376 · United Kingdom 619.

Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows where oily fish turns up, not how much of the market it is.

What kind of ingredient is oily fish?

Oily fish is a kind of fish.

Kinds of oily fishSalmonAnchovySardineMackerelHerringTroutSwordfishEuropean congerGarfish

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dietitians, doctors and trainers

Sources

An allergen is stated only when two of three checks agree: the Open Food Facts record, Bravoora’s label checker, and the ingredient’s own name or family (oat flour is oats, a cheese is milk). Every name where they disagree waits for a person to review it.

  1. Open Food Facts: Oily fish
  2. Open Food Facts: ingredients taxonomy (names, family tree, allergen and vegan flags), ODbL
  3. Open Food Facts: product database, 4,535,553 products, read 13 October 2026, ODbL
  4. European Union: Regulation 1169/2011 on food information to consumers, Annex II
  5. UK Food Standards Agency: Allergen guidance for food businesses (the 14 allergens)
  6. US FDA: Questions and Answers Regarding Food Allergen Labeling, Edition 5 (January 2025)

Contains information from Open Food Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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