Puzzle. Can you figure out the answer?  Who Owns the Fish?

There are 5 houses in 5 different colors. In each house lives a person
with a different nationality.
The 5 owners drink a type of beverage, smoke a certain brand of cigar,
and keep a certain pet. No owners have the same pet, smoke the same
brand of cigar, or drink the same beverage.
Question: Who owns the fish?  Read more...