Step by Step Disease Management.
Someday you might be asked to help someone with a disease outbreak. It's simple if you approach the case comprehensively and leave nothing undone. A system helps.

Edible Fishbugs in Aquascape Ponds.
Those are "food"....Naturally occurring organisms which, left alone with baby fish would be eagerly accepted as food.....

Koi Cancer (How to Manage Slow Healing Wounds)
Reasons for non healing wounds include wounds that are kept open by parasites, high nitrate levels, or inappropriate attention by other fish which might be grooming the wound.

Koi Dropsy - Pinecone Disease (Or is it?)
This is not Dropsy. Please review the images and note the condition of the scales over the caudal part of the body, before the tail...And in the dorsal view, look at the cranial body, behind the head - > Again, NO scales are raised.

Baytril Injections in Koi
I give the drug Intraperitoneally, with a 25 G needle on a tuberculin syringe.

Koi Pond Heron Control
The worst decoy I have *ever* even heard of, is the inflatable snake. Bar none. The second worst is the "Scary Eyes". The third from the worst is any sort of plastic owl. What are folks thinking? Did you know the Heron Decoy can attract Herons? "Safe to Fish Here!" they shout.

Feeding Koi and Questions About Pond Fish Nutrition
People say you should not feed pelleted food, "too much carbs", or not digestible enough. This is craziness. They're carp after all and they're the "shell-crushing mud-sifting omnivore of the world".

Gravel Ponds - Or Not Gravel Ponds?
We have the challenge to educate everyone, from installers to consumers, so they can present these choices to the Newbies and let them pick something that fits their energy and income level.

Dr Conrad and Dr Johnson Discuss Gravel Ponds
I see both sides of this discussion, as usual. If you like the looks of the rock, and are willing to do all that extra maintenance to clean it as frequently as is needed...

Using Formalin 37% in Koi Ponds
The principal reasons I would use Formalin would be if I were confronted with a mixed infestation of parasites, or if I was dealing with Costia

Fish Surgery by Dr. Erik Johnson
During the natural expansion of veterinary medicine into the world of Koi — it was inevitable that sooner or later a fish would require surgical intervention.