Guppies are a common aquarium breed, ... More On Pet Health. Exotic vs. Traditional Pets: How to Choose. 20 Things You Can Learn from Your Pets. Risky Mistakes Pet Owners Make. Recommended .

There are a few diseases guppies can catch, such as fungus infections, but if you start with a healthy stock of fish, you can potentially avoid the problem.

Larvae-eating guppy fish can help combat the spread of dengue, a mosquito-borne illness giving rise to hundreds of thousands of severe cases including 20,000 deaths worldwide every year.