When setting up an Aquarium weight is one of the biggest factors to selecting the proper location, as the place you choose to set up you Aquarium must be able to hold a substantial amount of weight.

What does 1us gallon of water weigh?

8.36 pounds

Even though fish can live their lives underwater, they still need oxygen to “breathe”. Instead of breathing air, fish must get their oxygen from the water. How is this process accomplished?

How Do Fish exchange Oxgen and Carbon dioxide while living underwater?

by the us of, gills they are feathery organs full of blood vessels.

Do Freshwater Aquarium fish have eyelids?

No.

Most fishes don't have eyelids , and that's because they really don't need them . Eyelids help moisten eyes , so they don't dry out . Eyelids also protect eyes from things in the air , like dirt and dust . Since fishes live in water , dry eyes are not really an issue .