Here is your answer hope it helps:)
ones in the eyewitnesses point of view and the encyclopedia is more detailed
<span>Russian Sturgeon is a ancient species of fish which is about 4 meters long. The fish is a rare one with bones in it and weighs about 160 kg. They usually found near Bulgaria, Russia and Turkey. The population the Russian sturgeon further declined because of the construction of dams on the Volga</span>
