Unlimited Vet-authored Pet Fish & Dog / Cat Pet Health Information


DrJohnson.com is one of the most comprehensive online fish and pet health resources available today, dedicated to providing people with access to a wealth of knowledge and educational materials. It offers a variety of free resources, ranging from articles to to videos, downloads, ebooks, images, and audio clips. With so much to choose from, this web site can be overwhelming—but don’t fret! We’ve compiled a shortlist of the best resources DrJohnson.com has to offer, so you can make the most of your time browsing the site.

First and foremost, DrJohnson.com boasts an array of encyclopedia-style articles, with topics ranging from Ammonia and Water Quality to Zoonosis and Viruses. These articles are written in a casual, easy-to-follow tone of voice, making them perfect for any level of educational interest. In addition, the website features helpful videos and slideshows, as well as structured lessons outlining key concepts in various aquatic animal medicine subjects. Whether you’re looking to brush up on the fundamentals of fish care or learn the basics of koi virology, DrJohnson.com has you covered.

DrJohnson.com’s database of helpful facts and care tips is another of its best and most interesting resources. Here, you can find things like fish care technology and facts about the best ways to keep fish and pets healthy, interesting tidbits about proper feeding of dogs, and even references to scientific discoveries and downloads. For the geek in all of us, this area of the website is invaluable.

Finally, the downloads available on DrJohnson.com can be especially helpful for those studying pet health. With downloads covering over 100 subjects, this site has something for everyone—whether you’re a first-time puppy owner, a seasoned dog trainer or a koi aficionado. 

All in all, DrJohnson.com is a fantastic online resource full of educational, fun, and interesting materials. Whether you’re a student, teacher, or just an avid explorer of knowledge, this website has something for you. So next time you’re looking for a useful source of information on pet health, look no further than DrJohnson.com.



Dr Erik Johnson is a Marietta, Georgia Veterinarian with a practice in small animal medicine. He graduated from University of Georgia with his Doctorate in 1991. Dr Johnson is the author of several texts on Koi and Pond Fish Health and Disease as well as numerous articles on dog and cat health topics.