CRCritically EndangeredPartial review

Sakhalin Sturgeon

Acipenser mikadoi

At a glance

IUCN category
CR · Critically Endangered
Animal group
Fish
Population trend
Decreasing
Last verified

Conservation overview

The Sakhalin sturgeon is a rare sturgeon of the north-western Pacific, spawning in only a small number of rivers. It is assessed as Critically Endangered.

Very few mature fish are thought to remain.

Range & habitat

Rivers and coastal waters of the north-western Pacific, including around the Tumnin River in Russia.

Major threats

Threats below are drawn from the authoritative sources listed on this page. For the current, complete assessment, see the IUCN Red List.

  • Overfishing and poaching
  • Dams and habitat change
  • A tiny spawning population

Why it matters

A rare Pacific sturgeon clinging to a few rivers, the Sakhalin sturgeon is a flagship for protecting spawning rivers in the Russian Far East.

Sources

Sources for Sakhalin Sturgeon

Frequently Asked Questions

Why is the Sakhalin sturgeon so rare?
It spawns in only a small number of rivers, and overfishing and habitat change have left very few mature fish, concentrating the species' survival in a tiny area.
Why is the Sakhalin sturgeon Critically Endangered?
Published assessments cite overfishing and poaching, dams and habitat change, and a tiny spawning population. See the IUCN Red List.

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