White Sturgeon (Acipenser transmontanus): habitat and range

Fun facts

It is the largest freshwater fish in North America and can live beyond a hundred years.
The females spawn only every two to five years, which makes populations very slow to recover.
The Kootenai River population is listed as endangered in the United States because of the almost complete lack of juvenile recruitment since Libby Dam began regulating the river in 1972.

Life cycle and biology

Skeleton type: Vertebrate - largely cartilaginous internal skeleton (chondrostean)
Habitat and environment: Large rivers and estuaries of the Pacific slope of North America, from the Gulf of Alaska to Monterey, California, between 1 and 122 m; it runs up into the higher reaches to spawn
Sexual maturity: 22.5 years

Sources consulted: https://es.wikipedia.org/wiki/Sinosturio_transmontanus

Where to find it

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented.

Related species

Other species in the catalogue with the most in common with White Sturgeon — same habitat, park, country, tags or family.

Shares a park

How to help

The white sturgeon is classified as vulnerable. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 5 protected areas — one reason why protecting these places matters for its conservation.

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White Sturgeon