Previously, the Adriatic Sturgeon was far more common and plentiful while in the Adriatic Sea. Having said that, overfishing over the past a number of decades has decimated the wild populace of Adriatic Sturgeon and there may be fewer than 250 wild fish left. It's recognized for its aggressive nature https://www.slideserve.com/aquariumshops/4-tips-for-buying-a-fish-tank