Sorry couldn't resist...... :lol:
http://news.bbc.co.uk/1/hi/in_depth/sci_tech/2008/alieninvaders/
Two of the UK's worst aquatic invasive species are set to meet.
Scientists believe that the ranges of the plague-carrying non-native crayfish and the fierce Chinese mitten crab are beginning to overlap.
More: http://news.bbc.co.uk/2/hi/science/nature/7575744.stm
I'd sure hate to have a bad dose of fierce Chinese mitten crabs ! :o
I've a friend who works for the NHM answering letters from the public to the entomology department. Apparently, most (more than 99%) of the reports of "alien" species they receive turn out to be native species...
"We are sitting on a bit of time bomb," says the RSPB's Graham Madge.
"New species are becoming established all the time and some have the potential to take hold and accelerate: we've got a watchlist of species that could potentially cause devastation."
More: http://news.bbc.co.uk/2/hi/science/nature/7573529.stm