Beluga Sturgeon

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Beluga Sturgeon

The Beluga Sturgeon (Huso huso) is the biggest freshwater fish in the world. The largest Beluga ever caught weighed 1,571 kg and was 7.2 m long. The Beluga is extremely long lived and females do not reach maturity until at least 15 years of age. Individuals can reach more than 100 years in age and can still be caught in areas where their spawning sites have been cut off. Beluga Sturgeons are listed as Critically Endangered.

huso 300x212 - Beluga Sturgeon huso huso 300x293 - Beluga Sturgeon

Facts and Figures

  • The Beluga migrates further upstream to spawn than any other sturgeon. However, this migration has been interrupted – as for all other sturgeons – by the Iron Gates dams.
  • Though mainly eating fish, the larger individuals can feed even on aquatic birds. The Belugas are the only true predators among Danube sturgeons.
  • 11th century chronicles mention Huso huso as providing important rations for troops marching along the Upper Danube in Austria.

status endangered - Beluga Sturgeon

1 caviar - Beluga Sturgeon Source of the highly sought after and valuable Beluga caviar.

1 predator - Beluga Sturgeon The only true predator among the six Danube sturgeon species.

Sturgeons_Infograph Russian Sturgeon Stellate Sturgeon Ship Sturgeon Sterlet European Sturgeon

The project “Sustainable protection of lower Danube sturgeons by preventing and counteracting poaching and illegal wildlife trade” is coordinated by WWF Austria and implemented by WWF in Austria, Bulgaria, Romania, Serbia and Ukraine, together with Danube Delta Biosphere Reserve Authority in Romania and IZW Leibniz Institute for Zoo and Wildlife Research in Germany. It started in October 2016 and will continue until the end of 2020.

 LIFE FOR DANUBE STURGEONS | A project of DDBRA, IZW and WWF. WWF Danube Carpathian Programme. Photos and graphics © WWF or used with permission. Text available under a Creative Commons Licence. Website by We use cookies to analyse how visitors use our website and to help us provide the best possible experience for users. View our Privacy Policy.I ACCEPT

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