Beluga (Huso huso) Danube Delta

The Beluga (Huso huso) is the largest fresh water fish on Earth. In Romania, the Beluga lives in the Black Sea and it reproduces in the Danube. On average, a Beluga measures 170 to 200 cm and weights between 50 and 150 Kg, but there have been captured specimens with a weight larger than 850 Kg... - https://www.videoguide.ro/en/beluga-huso-huso-danube-delta.html