i had forgotten about that post. well i know what it is now; that's a caprellid (skeleton shrimp). cool and harmless critters. they use their hind legs to clamp on to any sort of substrate like algae or gorgonian in which they can camouflage (obviously) and let the rest of their body drift in the current and wait for unsuspecting plankton to pass by. Do you know if you still have any Brad?
here's a close up of one...
http://forum.mikroscopia.com/uploads...1156918102.jpg