Sturgeons Swimming At Sendai Umino-Mori Aquarium In Japan - close up

sturgeons swimming sendai uminomori aquarium japan close up sendai uminomori aquarium sturgeon swim water animal fish nature wildlife wild underwater natural life freshwater caviar acipenser endangered fauna sea marine aquatic fishes deep zoo diving aqua white fresh closeup head daytime scene nobody no people habitat behavior creature species beauty environment oceanarium aquatic life