Green tip Purple BTA

[sfsuphysics]

ha! not even close to being that crowded. Most of them are quite small, they never get too large before they split it seems. Of course a vast majority of them are on one rock so it's kind of hard to do an accurate "head" count which is why I said "2 dozen or so".

So as not to derail this thread, if you're curious I snapped a few pictures
http://www.bareefers.org/forum/index.php?threads/bubbles.15640/