Hey all, I wish I had a pic for you but it happened so quick. I fed my tank on my break as it is on my work desk. I fed mysis and saw sand moving. Then a piece of shrimp fell on the sand then disappeared with some more sand moving. It felt like I was in the movie tremors. The creature was not large as not a more than half a square inch of sand moved but quite perplexing. Here’s the tank it is a ten

