| Rank | Fish Name | Scientific name | Maximum Length (meters | Maximum Weight (tonnes) |
| 4 | Beluga sturgeon | Huso huso | 8.0 | 3.2 |
The beluga (Huso huso) is a species of anadromous fish in the sturgeon family of order Acipenseriformes.
It is found primarily in the Caspian and Black Sea basins, and occasionally in the Adriatic Sea.