Fact 1: An aquatic animal requires great amounts of water to survive.

Fact 2: Fish and other small aquatic animals can be placed in the aquarium for visual purposes.

Given the two facts above, answer the question "What do fish require to survive?" with the following options: 
- food particles
 - ocean water
 - salt and water.
 - Getting eaten
 - Heavy boots
 - aerobic capacity
 - Great amounts of water
 - Wait staff


 

       Great amounts of water  