Coral Bleaching
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About this condition
A condition where corals lose their symbiotic algae (zooxanthellae) due to elevated temperatures or environmental stress, turning them white. Prolonged bleaching leads to weakness and death.
Common symptoms
- Color becomes pale
- Increased transparency
- Expulsion of zooxanthellae
- Tissue recession
Common causes
- Water temperature increase (28°C or higher)
- Excessive light intensity
- Water quality deterioration
- Sudden environmental changes
Prevention (husbandry & daily care)
Stable temperature management (install chiller), proper lighting settings, regular water quality testing.
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?
Consultation with a specialist aquarium store or marine biology expert is recommended. Specific guidance on managing water quality, lighting, and temperature can be obtained.
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Other conditions in this animal
Rapid Tissue NecrosisConsult a specialist store or experienced keeper promptlyBrown Jelly DiseaseConsult a specialist store or experienced keeper promptlyFlatworm InfestationMonitor; consult a specialist store if it worsensRed Slime (Cyanobacteria)Monitor; consult a specialist store if it worsensTissue Recession (Polyp Recession)Consult a specialist store or experienced keeper promptlyNudibranch PredationConsider consulting a specialist store within a few daysAlkalinity Burn (KH Burn)Consider consulting a specialist store within a few daysMarine Ich / CryptocaryoniasisConsult a specialist store or experienced keeper promptlyMarine Velvet / AmyloodiniosisConsult a specialist store or experienced keeper promptlyBrooklynelliasis / Clownfish DiseaseConsult a specialist store or experienced keeper promptlyHead and Lateral Line Erosion (HLLE)Monitor; consult a specialist store if it worsens