Ich
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About this condition
A parasitic infection where protozoa attach to the skin, producing white dots. Because medaka are small with limited reserves, early response is especially important.
Common symptoms
- White spots on the body surface
- Clamped fins
- Staying motionless at the bottom
- Rubbing against objects
Common causes
- Parasitic ciliate infection
- Sudden water temperature changes
- Weakened immune system
Prevention (husbandry & daily care)
Stable temperature, quarantine new fish, avoid overcrowding.
Related species guide
→ Browse the species guide for this animalWhen to see a vet
Consider consulting a specialist store within a few daysWhat can a specialist store do?
A veterinarian or specialist will assess the extent of infection and advise on a treatment plan including water temperature and quality management. Prompt consultation is recommended when multiple fish show symptoms.
Related columns
- Beginner's Guide to Setting Up a Planted Tank | Growing Aquatic Plants Without CO2 on Low Light
- Recommended Aquatic Plants for Medaka | Choosing for Biotopes and Indoor Aquariums
- Aurora Medaka Care Guide | Tank Setup to Bring Out Rainbow Coloration and Breeding/Selection Tips
- Mariage Medaka Breeding & Care Guide | Management & Selection Methods to Enhance Lame Coloration
Other conditions in this animal
Wasting DiseaseConsult a specialist store or experienced keeper promptlyPinecone Disease (Dropsy)Consult a specialist store or experienced keeper promptlyFin RotConsider consulting a specialist store within a few daysSwim Bladder DisorderMonitor; consult a specialist store if it worsensVelvet Disease (Oodinium)Consult a specialist store or experienced keeper promptlyWater Mold Disease (Saprolegniasis)Consider consulting a specialist store within a few daysGill Disease (Gill Inflammation / Branchial Disorder)Consider consulting a specialist store within a few daysRed Spot Disease (Aeromonas skin infection)Consider consulting a specialist store within a few daysEgg Binding (Retained Eggs)Consider consulting a specialist store within a few days