The usual suspects. In your living room tank, your local river, the pet shop, the sea, lakes, lochs. Anywhere there's an opportunity.
Help to fight back. Eat fish!
"I am convinced that these there fishes, do present a clear and present danger to our way of life, and, I know President Tony agreed with me. Even your Mr Brown is convinced. Act now. Protect America."
"People of Britain, I know, like me you will be concerned. Well let me re-assure you - we said the weapons of mass destruction existed and they did, in a sort of covert way. Only 45 minutes to arm and launch a flatulent fish. Well I can tell you, I was worried! On your Behalf......"