Symptoms and Treatment of Costia – Ichthyobodo necatrix

The significance of Costia Costia is the smallest serious-pathogen of Koi and goldfish and is kinda hard to diagnose without some skill with a microscope. Fortunately it’s easy to bring into check with Salt and even easier to CLEAR with some formalin and malachite compounds. Life was simple for a fish vet in the early … Read more