On leaving the feeding area, you head down a small ramp in to the freshwater section where the lighting is 'normal, and the aquariums are open topped. There are lots of tanks here and each stands about 5 feet high, tall enough to prevent kids from climbing up and dipping their hands in the water. This room is quite large and there is lots to see, including some very decorative fish tanks. If visiting the Nong Khai aquarium, you might want to consider avoiding it on Saturday's and Sunday's as the place is full of excitable and noisy children.