Historic and recent records of native and exotic sturgeon species in Estonia

Over 20 catches of Atlantic sturgeon. Acipenser sturio have been recorded i n Estonia in the 20th century. Spawning apparently took place in the waters hed of the Gulf of Riga prior to the 1970s. A mature female (total length 2 90 cm, total mass 136 kg, age more than 40 years) containing 28 kg of roe, was caught on May 24, 1996, near Muhu Island in the Western Estonian archip elago.