Riddle

I am alive without breath and cold as death. I am never thirsty but always drinking. What am I?

Choose an answer

A.A snake
B.A frog
C.An eel
D.Fish
Hint: It's a word with 4 letters, starting with "F".

Answer

Fish

Why this is the answer

A fish is cold-blooded, breathes through gills instead of lungs, and constantly takes in water through its mouth, though it never gets thirsty.

This riddle is filed under "What Am I?" Riddles and rated Medium.