sturgeon swims in the aquarium at the food market,acipenser, acipenser stellatus, acipenseridae, animal, aquarium, aquatic, beauty, beluga, blue, body, deep, endangered, environment, european, fauna,food, freshwater, gray, head, life, live, long, marine, market, natural, nature, ocean, oceanarium, rare, river, russia, saltwater, sea, siberian, silver, starry, stellate, stellatus, tank, tropical, under, wild, world, zoo