O.L.M.
Haenen, CIDC-Lelystad, Central Institute for Animal Disease Control,
P.O. Box 2004, 8203 AA LELYSTAD, The Netherlands O.L.M.
Haenen, CIDC-Lelystad, Central Institute for Animal Disease Control,
P.O. Box 2004, 8203 AA LELYSTAD, The Netherlands
The last 30 years, international trade of live fish has increased extremely
at world scale. The demand for more species for consumption and as pet fish
still grows. This includes many risks of fish disease transmission.
Anguillicola crassus of the Japanese eel Anguilla japonica in SE Asia, has invaded
European eel Anguilla anguilla populations since start 1980s, after imports
of eels for restocking purposes in aquaculture. The parasite has infected wild
eel stocks all over and outside European, to Russia, Scandinavia, and Tunesia.
It was also passively introduced into the USA. 
Koi Herpes Virus, KHV, causing lethal gill necrosis was introduced 20 years
ago into the USA, after international imports from Israel and others, and now
a big problem in koi in Europe. It threatens both cultured and wild fish stocks
of koi and common carp, Cyprinus carpio.
Pseudomonas anguilliseptica causes Winter Disease in wild and cultured sea bream,
Sparus aurata, and sea bass, Dicentrarchus labrax in Southern Europe. It has
been isolated from elvers Anguilla anguilla suffering Red spot from SW France,
imported by W European countries for aquaculture. The impact of these and other
examples will be discussed.
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