Parasitic
🟠 Severe
Costia (Ichthyobodo)
🦠 Ichthyobodo necator (protozoan)
📋 Overview
Ichthyobodo (formerly Costia) is invisible without microscopy but causes gray-blue mucus overproduction on the skin. Kills quickly if not addressed.
📊 Key Facts
Causative Agent
Ichthyobodo necator (protozoan)
Primary Host
Koi, goldfish, freshwater tropicals
Vaccine
✗ None / Experimental
💊 Treatment
⚠️ No universally approved treatment is currently available. The information below covers supportive care and experimental approaches.
Formalin, potassium permanganate, salt baths. Improve water quality. Reduce stress.
🐟 Affected Species
2 known susceptible species