Though It Be Cold, I Wear No Clothes, The Frost And Snow I Never Fear

Riddle: Though it be cold, I wear no clothes, the frost and snow I never fear; I value neither shoes nor hose, and yet I wander far and near: My diet is forever good, I drink no cider, port, nor sack, what Providence doth send for food, I neither buy, nor sell, nor lack.
Answer: Fish