Over-fishing for years is a major cause of this decline, exacerbated by the breakup of Russia leading to the poor management of the Caspian fisheries. Suddenly, Russia, Kazakhstan, Azerbaijan, Turkmenistan, and Iran were all competing for the limited supply of sturgeons in the Caspian Sea that was formerly managed by U.S.S.R. and Iran. Thus, the wild sturgeon population is seriously threatened. Only three of the species are not critically endangered, endangered, or vulnerable. Yes, the sturgeons plight is a serious one.
Regulations are intact, but they are largely ineffective.
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