Reduce the risk of disease, find out where notifiable diseases have been found and what to do if your fish or shellfish have a disease.

Each year thousands of fish and shellfish die from disease. Recovering from an outbreak can take a long time and can be very expensive.

Serious fish and shellfish diseases

You must tell the Fish Health Inspectorate (FHI) if fish or shellfish:

Prevent the spread of disease in fish and shellfish

You can help control the spread of disease if you:

Control areas for notifiable disease outbreaks

If a notifiable disease is found, FHI puts controls in place to limit the spread of disease (these areas are known as confirmed designations).

If your fish or shellfish are in a control area you must:

  • comply with any conditions issued by FHI
  • get written permission from FHI to move fish or equipment (allow at least 5 working days)

Fish

Maps of areas with controls in place to limit the spread of koi herpesvirus (KHV):

2016

2015

2014

2013

2012

2011

2010

2009

Shellfish

You can use an interactive map (Desktop. Mobile) to view shellfish disease controls across Great Britain.

Alternatively below are individual maps of control areas of each disease:

Bonamia ostreae

Oyster herpesvirus

Marteilia refringens

Contacts

Fish Health Inspectorate

Environment Agency

PO Box 544


Rotherham
Yorkshire
S60 1BY