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Whitefish
Whitefish (Coregonus lavaretus), Moderately oily but low in the food chain; no frequency advisory.. The national eating advice, why it applies, the rules that matter when you catch it, and what the kitchen changes about the numbers.
Where it lives
Whitefish exists in this region as a confusing family of local forms rather than one uniform fish: sea-spawning coastal stocks, river-spawning stocks that run up from the sea in autumn, and lake forms in the big northern lakes. Several of the natural stocks are weak, and a large share of the coastal fishery rests on stocking. It spawns in autumn on gravel and shallow banks, which is when the closures fall.
Why the advice says what it says
Whitefish is the useful counterexample to the idea that oily fish means restricted fish. It carries a moderate amount of fat — around 6 g per 100 g — so it delivers real omega-3, but it feeds on bottom invertebrates and plankton rather than on other fish. That low position in the food chain keeps its mercury low, and it accumulates far less of the fat-soluble load than a salmon that has spent years eating Baltic herring. The result is a fish that appears in no frequency advisory and does a lot of nutritional work. The catch is conservational rather than dietary: the sea-spawning whitefish stocks and several river-running forms are in poor condition, so the rules around whitefish are tighter than its risk profile would suggest, and stocking rather than natural reproduction is holding parts of the fishery up.
The advice
| Who it applies to | What the advice says | Where it comes from |
|---|---|---|
| Everyone | No frequency restriction. A good choice for the oily-fish part of the weekly recommendation. | Finnish Food Authority (Ruokavirasto) general fish advice; Nordic Nutrition Recommendations 2023 |
| People told to limit Baltic salmon and large herring | Whitefish is one of the practical substitutes: oily enough to matter, low enough in the food chain not to be restricted. | Reasoning from the trophic position and fat content above |
The rules
What the rule book says about this fish, described by instrument rather than printed as a number:
- Autumn closures protect spawning whitefish in rivers and on coastal spawning grounds.
- Net mesh size is regulated for whitefish in a way it is not for most species, because gear selectivity is the main management tool for it.
- Minimum sizes vary by coastal area and by lake, and several stocks are managed individually.
- In Finland, stocked salmonids are marked by a clipped adipose fin, and the rules on releasing unmarked fish extend beyond salmon and trout in some waters.
In the kitchen
Fat enough to grill, smoke and cure without drying — hot-smoked whitefish is one of the region's best things — and firm enough to hold together on a barbecue. The bones are fine and numerous in some forms, which is the one argument for buying it filleted. Its roe is a delicacy in its own right in Finland.
This is a reference page, not a fishing licence and not medical advice. Minimum sizes, closed seasons, bag limits and licence prices are set per country and per water body and change most years, so no number for them is printed here — each species page says which instrument sets the rule and where to look up the figure for the water you are standing on. If a clinician has given you a fish frequency or a contaminant instruction, that instruction outranks anything on this page.
Nutrition figures
| Per 100 g, raw | Amount |
|---|---|
| Energy | 134 kcal |
| Protein | 19.1 g |
| Fat | 5.9 g |
| Carbohydrate | 0 g |
| Fibre | 0 g |
| Salt | 0.1 g |
| Published row | Whitefish, raw |
Related published rows:
- Whitefish, cooked — 172 kcal per 100 g
- Whitefish, smoked — 108 kcal per 100 g
Typical round weight for the calculator: 500–2000 g.
Eating advice: Finnish Food Authority and Swedish Food Agency national advice on Baltic and inland fish. Contaminant ceilings and the Baltic derogation: Regulation (EU) 2023/915; weekly tolerable intakes: EFSA methylmercury (2012) and dioxins/dioxin-like PCBs (2018). Nutrition figures: USDA FoodData Central rows published on this site. Checked 2026-09-06.
Frequently asked questions
Is whitefish a good substitute for salmon?
For the purpose of getting oily fish into the week, yes. It carries a useful amount of fat and therefore of omega-3, and unlike wild Baltic salmon it is not the subject of a frequency advisory. It is also a very different eating experience, which is a separate question from the nutritional one.
Fish in the same advice group
Vendace
Small, short-lived and plankton-feeding — about as low-risk as fish gets here.
Rainbow trout (farmed)
Farmed on controlled feed and harvested young — the oily fish with no advisory attached.
European smelt
A short-lived spring fish that smells of cucumber; nothing to limit.
All species compared
The full table, grouped the way the advice groups it.
Eat the fish, log the fish
TempoLife tracks what you actually ate against the same food data linked on this page, so a fish meal shows up in your omega-3, vitamin D and salt totals without a second thought.