Category: Koi Fish Facts

We have recently been posting about the different types of bacteria and parasites that are commonly found in your koi fish. Here is a combined list of those

Dropsy (which is an old-fashioned term for edema) is also known as Pinecone, Bloater or Pop-eye disease. The fish’s pine cone appearance is a result of pressure from

With the varieties of koi that are available, it is conceivable that you will never build a pond big enough to get your fill of all the different

In the truest sense of the word, fish lice (or Argulus foliaceus) is not a lice (which is an insect). They are crustacean ectoparasites in the Argulidae family,

Chilodonella cyrini is another microscopic protozoan that can be deadly to freshwater fish. The protozoan is an accomplished swimmer, and can quickly infect an entire pond’s stock of

Pond plants in and around your pond offer a pleasant viewing experience, but there is more to them than just a “pretty face.” From providing shade and protection

Short for Ichthyophthirius multifilis, Ich is another freshwater parasite that loves to hide in the skin of your living jewels. The ciliated protozoans are recognizable under a microscope

Anchor worms (Lernea or also Lernaea Elegans for those that like official names) is a common parasitic infection for koi. They are not actually worms, but rather crustaceans

This parasite has a fairly intimidating scientific name, going by the handle Ichthyobodo Necatrix in its more common form. It is a silent and deadly microscopic parasite (20

1. You go to an Aquarium and your first thought is, “I can do better than that.” You did, however, request a tour of the filtration system and