Scientists at Woods Hole Oceanographic Institution are so concerned over the recent proliferation of sea squirts (tunicates, ascidians) in the world's oceans, they recently convened the first International Invasive Sea Squirt Conference. As reported at YubaNet and elsewhere, researchers have been mapping the spread of these rubbery masses and hope to come up with ways to keep populations from spreading. You can see more ISW posts about sea squirts by clicking here.

Thanks to Val C. for sending in a link to this story.