Flukes, also known as Trematodes are the most common almost ubiquitous parasite of Koi. And while Koi don’t die of primary fluke infestations, they DO succumb to the infections that Flukes carry on their hooks. The following are video and image media files that illustrate these parasites. The video links lead to videos I did which detail the treatments as well. (More on Flukes)
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.