50,000 Gallons of Salt Water, 400 Hungry Fish, 1 Brave Diver Watch as Our Diver Feeds The Atlantis Aquarium Fish Daily at 1:15 p.m. and 5:15 p.m. One of our aquarists suits up and dives down to feed all 400 of the tropical fish that call The Atlantis Aquarium home.  Extra attention is given to our sharks and rays who are fed by hand. Free Below-the-Scenes Tours Available Monday Thru Friday - 3:15 p.m. Gain a deep appreciation of the art and science involved in successfully maintaining a 50,000-gallon marine environment as you travel beneath The Atlantis Aquarium.  Tour our filtration and kitchen areas,  the ray and shark pool, and the fish acclimation area, and see what exotic fish keep in their basement!  Meet at the  our information sign in front of The Atlantis Aquarium.