Fact 1: Fish have a centralized nervous system with a brain.

Fact 2: Amphetamines stimulate the central nervous system.

Given the two facts above, answer the question "What water dweller can be stimulated with amphetamines?" with the following options: 
- pearls
 - algae
 - swea
 - otters
 - fish
 - humans
 - sharks
 - sponges


 

     fish    