I spy with my little eye, an alligator or crocodile. :/
Sea lions doing what sea lions do. Get annoyed with each other.
As we walk through the hallways of different aquariums the walls are decorated with different sea themed designs in white on the black or dark greyish greenish walls.
In the Japan Forest section there was a bridge that you could look down to the crabs.
Tempozan Harbor Village ferris wheel, near Osaka Aquarium.