About this condition
White Spot is a highly contagious parasite causing white cysts and rapid mortalities.
What is White Spot?
One of the most common freshwater fish parasites.
White Spot is a highly contagious parasite causing white cysts and rapid mortalities.
Category
Parasite
Helps you quickly understand whether this is a parasite, viral issue, water quality problem or wider management topic.
Severity
🟠 High risk
Use alongside EA guidance and your own fishery rules to decide next steps.
Notifiable?
No – but still monitor closely
Always follow the latest EA advice on notifiable fish diseases.
Linked species
No specific species linked
Used to surface this guidance directly inside the Clubnest Species Guide.
White Spot is a highly contagious parasite causing white cysts and rapid mortalities.
One of the most common freshwater fish parasites.
If you suspect this condition, see unusual fish behaviour, or witness a pollution incident at your waters, you must contact the Environment Agency immediately. Quick reporting protects your fishery and prevents further fish mortalities.
EA Incident Hotline
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