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Ich (White Spot Disease)

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Tropical Fish & Goldfish

About this condition

A parasitic infection caused by the protozoan Ichthyophthirius, producing white spots on the body. It is highly contagious and spreads quickly to other fish in the tank.

Common symptoms

  • White spots on body surface
  • Fish rubbing against objects
  • Rapid or labored breathing
  • Decreased appetite

Common causes

  • Ichthyophthirius multifiliis protozoan infection
  • Sudden changes in water temperature
  • Stress
  • Weakened immune system

Prevention (husbandry & daily care)

Stable temperature management, quarantine new fish, eliminate stress factors.

Related species guide

Browse the species guide for this animal

When to see a vet

Consider consulting a specialist store within a few days

What can a specialist store do?

A veterinarian or specialist store will assess the severity and advise on water temperature and quality management along with an appropriate treatment plan. Early consultation is recommended when symptoms are severe or multiple fish are affected.

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