underwater photo of a russian sturgeon scientific name: acipenser gueldenstaedtii - type: chordata - class: osteichthyes

sturgeon fish animal freshwater water beluga caviar wildlife nature underwater russian green pond rare fishing egg acipenser actinopterygii siberia acipenseridae life endangered sea river wild tasty stenorrhynchus russia ob natural kolyma kazakhstan swim zoo habitat gueldenstaedti irtysh cooking siberian