valuable source of caviar and isinglass; found in Black and Caspian seas
[ Syn: hausen , white sturgeon , acipenser huso ]
small northern whale that is white when adult
[ Syn: white whale , delphinapterus leucas ]
valuable source of caviar and isinglass; found in Black and Caspian seas
[ Syn: hausen , white sturgeon , acipenser huso ]
small northern whale that is white when adult
[ Syn: white whale , delphinapterus leucas ]