Siberian sturgeon

Description

Siberian sturgeon usually weigh about 65 kg,with considerable variability between and within river basins.The maximum recorded weight was 210 kg.As with all other acipenserids,the Siberian sturgeon are long-lived (up to 60 years),and late to reach sexual maturity (males at 11–24 years,females at 20–28 years).They spawn in strong current main stem river channels over stone or gravel substrates.