Unfortunately, No proof exists that these introduced fish are breeding while in the wild. For the past 15 years, there have already been no studies in the Adriatic Sturgeon breeding in its typical spots. The ecu sea sturgeons gained acceptance within the 19th century due to caviar production. In 1982 https://www.diigo.com/item/note/ba4ak/e7og?k=278b2c3d76e0e7b70568d2103df03c1e