Cropped Shot Of A Japanese Sturgeon Swimming Underwater At Sendai Umino-Mori Aquarium In Miyagi, Japan

japanese sturgeon sturgeon aquarium aquatic uminomori aquarium acipenseridae fish critically endangered species benthic freshwater underwater endangered habitat animal sea wildlife closeup under close up ecosystem schrenckii swim marine acipenser schrenckii swimming environment acipenser ocean amur ecology sendai asian water miyagi asia japanese japan uminomori natural background fresh wild nature behavior tropical oriental life