Can I keep European Whitefish in a standard garden pond?

No. European Whitefish require deep, exceptionally cold, and highly oxygenated water. A standard garden pond will become too warm in summer and lacks the necessary volume and depth to sustain them.

What is the difference between a whitefish and a trout?

While both belong to the salmon family and possess an adipose fin, whitefish generally have smaller heads, smaller mouths without prominent teeth, and feed primarily on zooplankton rather than hunting other fish.

How large do European Whitefish grow?

Depending on their specific lake habitat and local morph, they typically range between 30 cm and 55 cm, though exceptional specimens in very large lakes can occasionally grow larger.

Why are there so many different common names for this fish?

As glaciers retreated thousands of years ago, whitefish were left isolated in various lakes across Europe. This isolation led to unique local populations, each given regional names by local fishermen, such as Gwyniad, Powan, or Lavaret.

What do European Whitefish eat?

Their natural diet consists of tiny aquatic organisms, including zooplankton, small crustaceans, and insect larvae, which they actively forage from the water column and lakebed.

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European Whitefish

Coregonus lavaretus

The European Whitefish is a sleek, cold-water pelagic species from the salmon family, best suited to large, deep lakes and specialised fishery environments rather than ornamental ponds.

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Ideal Conditions

Temperature: 4 – 16 °C
pH range: 6.5 – 8
Hardness: 4 – 15 dGH
Adult size: 30 – 55 cm
10000+ Litres (Lake or Fishery Only): 10,000 litres+
Lifespan: 10 – 15 years
Diet: Carnivore (Zooplankton and benthic invertebrates)
Water flow: moderate

About the European Whitefish

Belonging to the salmon family, the European Whitefish is part of a complex of closely related species and morphs that became isolated in deep lakes following the retreat of the glaciers. They are distinguished by their deeply forked tails, silvery flanks, and the presence of an adipose fin. Unlike trout or salmon, they have relatively small, toothless mouths adapted for feeding on tiny invertebrates. They are a staple of commercial and recreational fisheries across northern and Alpine Europe.

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Where European Whitefish comes from

Native range

Northern Europe, Alpine Europe, Baltic Sea Basin

Countries / regions

Switzerland, France, Germany, Sweden, Finland, Russia, United Kingdom

Habitat

Deep, cold, well-oxygenated glacial lakes and occasionally brackish coastal waters.

The Coregonus lavaretus complex comprises numerous localised populations isolated since the last Ice Age, resulting in highly distinct regional morphs.

Similar species

Vendace
Coregonus albula
Arctic Charr
Salvelinus alpinus
Brown Trout
Salmo trutta

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

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Arctic Charr
Salvelinus alpinus
Shares the preference for deep, cold, highly oxygenated glacial lakes.
Great
Roach
Rutilus rutilus
Peaceful coarse fish that coexists well in large lake environments without direct dietary competition.
Great
Northern Pike
Esox lucius
Pike are apex predators and will actively hunt and consume smaller whitefish, though they naturally co-occur in large lakes.
Compatible with caution
Common Carp
Cyprinus carpio
Carp thrive in warmer, shallower, and more turbid waters, which are entirely unsuitable for the cold-loving whitefish.
Not recommended
Koi
Cyprinus rubrofuscus
Standard ornamental ponds lack the depth, chilling, and extreme oxygenation required to keep whitefish alive.
Not recommended

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