Your child's fish may be located in different tanks. To access additional Aquarium tanks on the mobile version of ABCmouse, follow these steps:
1) Select the yellow fish on the top-right corner.
2) Select the fishbowl with 3 orange fish located to the right of the fish tank name.
3) Select the left or right arrows to navigate between available fish tanks.
From there, you are able to locate any additional fish and move them from tank to tank.