The Marin Independent Journal has this story about a project to eradicate Japanese mud snails (Batillaria attramentaria) invading San Francisco Bay. Researchers have put together a volunteer-driven effort to comb Loch Lomond Marina and remove the tiny snails (check out the accompanying photo for a shot of a mom and her 3-year-old daughter joining in!!). While the snail was first introduced to California decades ago, their arrival in San Fransisco Bay was recent enough that scientists think eradication is still a possibility.
Bonus points to the MIJ for including the scientific name of the snail. The ISW has posted many times about the New Zealand mud snail, but never the Japanese one.