Kingdom Animalia Order Acipenseriformes Genus Acipenser Higher classification Acipenser | Phylum Chordata Family Acipenseridae Scientific name Acipenser schrenckii Rank Species | |
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Similar Kaluga (fish), Sakhalin sturgeon, Huso | ||
The Japanese sturgeon, or Amur sturgeon (Acipenser schrenckii) is a species of fish in the Acipenseridae family that can be found in the Amur River basin in China and Russia. Claims of its presence in the Sea of Japan need confirmation. The species has 11–16 dorsal, 34–47 lateral, and 7–16 ventral scutes. Their dorsal fins have 38–53 rays and 20–35 anal fin rays. They also have greyish-brown backs and pale ventral sides. The species could reach up to 3 m in length, and weight over 190 kg. The species is considered to be critically endangered.
Habitat and ecology
The Japanese sturgeon is benthic. The females mature at 9–10 years of age, and males at 7–8 years. They start to migrate in the autumn. They live for 65 years.
References
Japanese sturgeon Wikipedia(Text) CC BY-SA