Can I keep a Siberian Sturgeon in a normal garden pond?

No. Siberian Sturgeons grow incredibly large and require a minimum of 10,000 litres. They also need specialised filtration, rounded edges to prevent getting trapped, and extremely high oxygen levels.

Why is my sturgeon swimming with its nose out of the water?

This is often a dangerous sign of oxygen starvation or poor water quality. Sturgeons need exceptionally high levels of dissolved oxygen; you should immediately increase aeration and check your water parameters.

Can I use standard pond parasite treatments with a sturgeon?

Many common pond treatments containing formalin, copper, or potassium permanganate are highly toxic to sturgeons. Always check the label and only use medications explicitly stated to be sturgeon-safe.

How do I make sure my sturgeon gets enough food?

Use dedicated, high-protein sinking sturgeon pellets. Feed them in the exact same spot every day, and consider feeding your surface fish first so they are distracted while the sturgeon's food sinks.

Do Siberian Sturgeons need to be kept in pairs or groups?

No, they are solitary by nature and are perfectly happy living alone. Given their massive adult size, keeping a single sturgeon is usually the most practical option for private ponds.

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Siberian Sturgeon

Acipenser baerii

A magnificent, prehistoric-looking pond fish that requires a vast volume of highly oxygenated water and highly specialised care.

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Ideal Conditions

Temperature: 4 – 22 °C
pH range: 6.5 – 8
Hardness: 6 – 20 dGH
Adult size: 100 – 200 cm
Massive pond only: 10,000 litres+
Lifespan: 20 – 60 years
Diet: Carnivore
Water flow: High
Preferred setup: Spacious pond with smooth bottom, highly oxygenated water, and no dense blanketweed or sharp rocks.

About the Siberian Sturgeon

The Siberian Sturgeon is an ancient, cartilaginous species characterised by its shark-like tail, bony scutes, and elongated snout. Spending its life cruising the bottom of large rivers in the wild, it demands an extraordinarily spacious pond to thrive. They represent a significant long-term commitment, regularly outliving their owners and growing to enormous proportions in domestic setups. Due to their specific physiological needs, they are best suited to purist keepers rather than casual garden pond owners.

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Is it right for your tank?

Check Siberian Sturgeon against a habitat you already keep. We compare water type, temperature, pH, adult size, group needs and everything living there.

Where Siberian Sturgeon comes from

Native range

Siberia

Countries / regions

Russia, Kazakhstan, China

Habitat

Deep, fast-flowing rivers and large lakes with soft substrates.

Populations have heavily declined in the wild due to damming, habitat loss, and overfishing for caviar.

Similar species

Sterlet
Acipenser ruthenus
Diamond Sturgeon
Acipenser gueldenstaedtii

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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Golden Orfe
Leuciscus idus
Fast, mid-to-top water swimmers that will not compete with the sturgeon at the bottom of the pond.
Great
Tench
Tinca tinca
Peaceful bottom dwellers that cohabit well without aggressively stealing the sturgeon's sinking food.
Great
Koi
Cyprinus rubrofuscus
Koi are fast, greedy feeders that can outcompete sturgeons for pellets; some large Koi may also suck on the sturgeon's flanks, causing stress and injury.
Compatible with caution
Goldfish
Carassius auratus
While generally peaceful, they can outcompete the slower-feeding sturgeon for food if not managed properly.
Compatible with caution
Small frogs and fry
Due to the sturgeon's large, vacuum-like mouth, small, slow-moving animals on the pond floor may be accidentally inhaled.
Not recommended

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