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Dwarf sturgeon
The dwarf sturgeon, little shovelnose sturgeon, or small Amu-dar shovelnose sturgeon (''Pseudoscaphirhynchus hermanni'') is a species of fish in the Acipenseridae family. It is found in Tajikistan, Turkmenistan, and Uzbekistan.
==Population==
The Pseudoscaphirhynchus hermanni population is recorded to be a rare species. There are few recordings of this species being caught, but there are accusations that fisherman are unknowingly catching them. The population trend of this species is decreasing. The Pseudoscaphirhynchus hermanni is being negatively affected due to dams, poaching, water extraction, irrigation, high levels of water pollution, mineral fertilizers, pesticides for cotton agriculture, drainage waste, and high levels of pollution. More survey work on this species is needed to determine the status of their population. Overall this species is recorded to be a critically endangered species.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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