If you follow my blog, you know I like all things tiny. So I'm always looking for small things in my reef. Today I saw a squiggly thing and didn't recognize it. Was it even alive? Was it fish poop? Look up at that thing, I looked down on the substrate beneath to see if I could find "the other half" of whatever it might be. Turns out it was a snail, but I've never seen one without the shell. There was a large Astrea shell on the sandbed for the past couple of days, and I attributed ...