Sakhalin Sturgeon (Acipenser mikadoi)

The Sakhalin sturgeon (Acipenser mikadoi) is a species of fish in the Acipenseridae family. It is found in Japan and Russia.


The Sakhalin sturgeon is known to be found in either a marine or freshwater environment within demersal depth range. This species is found in brackish waters. They are also native to a tropical climate.


The Sakhalin sturgeon has reached the maximum recorded length of about 150 centimeters or about 59 inches as an unsexed male.


The Sakhalin sturgeon is considered to be a species that migrates up the river from the sea in order to spawn. During the months of April to May, the Sakhalin sturgeon feeds in the freshwater and then returns to the ocean during the summer.


The Sakhalin sturgeon is recorded to be the colors of olive-green and dark green. Its sides have a yellowish white color and it includes an olive green stripe. The bottom lip of this species is split into two.


The Sakhalin sturgeon is commonly found in the areas of Northwest Pacific, Bering Sea, Tumnin or Datta river, northern Japan, and Korea. This species currently spawns persistently in the Tumnin River.


The threats that are affecting the population of the Sakhalin sturgeon include illegal poaching, trawling, accidental bycatch, pollution, and construction of dams.

Scientific classification

Links: Encyclopedia of Life | FAO Species Fact Sheet | Fishbase | Pond Life | World Register of Marine Species

Common Names: Sakhalin Sturgeon

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