Author: Dr. Erik Johnson

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.
17
Oct
2019

I have built a new pond using rubber roofing material as a liner. Is this safe for fish?

I have built a new pond using rubber roofing material as a liner. Is this safe for…

17
Oct
2019

Koi Cannibalism: Will Koi Eat Smaller Koi and Goldfish?

Koi will almost never eat or pick on smaller koi, so the answer’s “No” but they like…

16
Oct
2019

Koi and Pond Club Link Exchange

16
Oct
2019

Keeping That Water Clean and Most of All, Clear! Water Clarity

What is possible Factors that detract from clarity Compensating or correcting these factors What Is Possible “Clean”…

16
Oct
2019

Ammonia “The Silent Killer” Koi Health and Ammonia Accumulation

Ammonia is the primary chemical waste product of the fish. It’s basically fish urine. It can accumulate…

15
Oct
2019

Could You Please Explain What Flashing Is?

Could You Please Explain What Flashing Is? My Koi fish will occasionally jump or do little twists…

15
Oct
2019

Two Large Vicious Black Dogs Chased Me.

On NextDoor recently:  Two large vicious dogs chased me today. I was running at around 5:30pm near…

15
Oct
2019

Quinaldine

Quinaldine is a yellowish, oily liquid with limited water solubility that must be dissolved in acetone or…

15
Oct
2019

A Fox With Scabies Won’t Stop Itching.

“That is a fox with sarcoptic mange. You can tell it’s a fox by the white tip…

15
Oct
2019

Copperhead Bites in Companion Animals:

Your (every) vet knows how to treat snakebites, all the standards for shock / fluids / I.V….

15
Oct
2019

Earthworms as food for fish – where to get them – how to feed

Worms And Koi Yeah you can feed Koi and pondfish some worms, and they’re not expensive. In…