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.
21
Oct
2019

Popeye / Exophthalmia in Koi

It was 5 inches and had a small mark on its side which I considered a possible…

21
Oct
2019

Can Cats Catch Lyme’s Disease?

Theoretically, yes. In a laboratory? That’s the only place actual Lyme’s disease has been documented in felines….

21
Oct
2019

Possible Skin Cancer in Koi – by Dr. Erik Johnson

“I have this wonderful fish with a big open wound on her. The wound has been there…

21
Oct
2019

Changes in Stool Quality in Koi Goldfish and Pondfish

The Koi, goldfish and pond fish stool normally appears brown and friable [crumbly] Deviations from this quality…

21
Oct
2019

Broken Back or Scoliosis in Koi and Pond Fish

The three most common causes are: Being carried in a net Being flown overseas resulting in hyperinflation…

21
Oct
2019

Saprolegnia (or SAP) is a Freshwater Fungus of Pond and Aquarium Fish

Saprolegnia – Water Fungus Written by R.E. Carlson Like all fresh water environments, koi and goldfish ponds…

21
Oct
2019

Symptoms and Control of Branchiomyces Fungus, BGD in Koi and Pond Fish

This is a warmwater gill fungus. I’ve had this in a collection of my own fish, one…

21
Oct
2019

Identification and Treatment of Acral Lick Granulomas – Acral Sores

This is an acral lick granuloma except it’s not acral ha ha ha ha  this one’s on…

21
Oct
2019

Just Saw The Most Amazing Mouth – Dental Spray Recommendation

So I just saw Lexxie T. the terrier and she has this mouth like, it’s brand new….

21
Oct
2019

The Trouble With The Internet and Youtube

How can you tell who’s an expert? I’ve been on Youtube looking at stuff and some of…

18
Oct
2019

Trichodina Ciliated Protozoan Parasite, Symptoms Identification and Treatment

Trichodina This saucer-shaped parasite is over-rated in its pathogenicity (not a big fish killer by itself but…