Category: Fish
Saprolegnia – Water Fungus Written by R.E. Carlson Like all fresh water environments, koi and goldfish ponds…
This is a warmwater gill fungus. I’ve had this in a collection of my own fish, one…
How can you tell who’s an expert? I’ve been on Youtube looking at stuff and some of…
Trichodina This saucer-shaped parasite is over-rated in its pathogenicity (not a big fish killer by itself but…
Costia Costia or Ichthyobodo necatrix, is a ciliated protozoan parasite of freshwater fish that also has the capability…
Freshwater Ich (Ichthyophthirius multifilis) is a ciliated protozoan that encysts under the epidermis of the fish; and,…
If you can help people with their ponds, either fixing them or installing them, please get on…
A discussion of the major worms and their control Worms in Koi In the past, the discussion…
Argulus – Fish Lice look like little (4mm) greenish or yellow “flying saucers” and are easily visible…
Abstract: Changing water all the time, continuously, is easier than dump type water changes. It’s better for…
Chilodonella infections, rapid mortalities from this freshwater parasite of Koi, pondfish and aquarium fish. Cleared with salt…
















