Flatworm Infestation
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About this condition
Small flatworms that parasitize coral surfaces, weakening them by blocking light and damaging tissue. They are commonly introduced with new corals.
Common symptoms
- Small brown worms on coral surface
- Polyps do not open
- Color fading
- Growth stagnation
Common causes
- Introduction from new corals
- Attachment to live rock
- Insufficient quarantine
Prevention (husbandry & daily care)
Quarantine and dip new corals, regular observation.
Related species guide
→ Browse the species guide for this animalWhen to see a vet
Monitor; consult a specialist store if it worsensWhat can a specialist store do?
Consultation with a specialist aquarium store or marine animal expert is recommended. Guidance on the eradication procedure and preventing water quality issues from mass die-off can be obtained.
Related columns
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- Dry Rock vs. Natural Live Rock: Complete Comparison | Selection Criteria for Marine Aquarium Filtration Base and Curing Procedures
- Coral Tank Record Management and Measurement Logs | Building a Habit of Science-Based Care Through Data
- Marine Fish Import and Distribution Routes and Quality Guide: How Source, Collection Method, and Wholesale Differences Affect Breeding Difficulty
Other conditions in this animal
Coral BleachingConsider consulting a specialist store within a few daysRapid Tissue NecrosisConsult a specialist store or experienced keeper promptlyBrown Jelly DiseaseConsult a specialist store or experienced keeper promptlyRed 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