Use reasoning to lead to the answer of the following question:
What water dweller can be stimulated with amphetamines?\nOptions:\n- (A) pearls\n- (B) algae\n- (C) swea\n- (D) otters\n- (E) fish\n- (F) humans\n- (G) sharks\n- (H) sponges

(E)
Fish have a centralized nervous system with a brain.

Amphetamines stimulate the central nervous system.

Fish can be stimulated with amphetamines.

.

So, the final answer is (E)