Legislation
EUR-Lex provides direct free access to European Union law: http://eur-lex.europa.eu/en/index.htm
Specifically, the Aquatic Animal Health Legislation, Council Directive 2006/88/EC can be found at:
Currently, Council Directive 2006/88/EC lists the following crustacean diseases
Exotic Crustacean Diseases to the Community
Taura Syndrome (TS)
Yellowhead Disease (YHD)
Non-Exotic Crustacean Diseases to the Community
White Spot Disease (WSD)