This morning I noticed that my skunk cleaner shrimp was sitting on the bottom of the tank, not moving around like he usually does, and in a different position than normal. I didn't think too much of it at first, but after going out for a few hours and coming back I saw him in the exact same place. I tried moving him and at first he kind of freaked out and shot away from my hand, landing upside down in a crack between two rocks and not making any more effort to move or right himself. From there I slowly moved my hand over to him and he grabbed my finger like he normally does, and I was able to lift him to a spot that he could stand straight. He still is moving a bit, but not walking at all. He is also ignoring my coral beauty angel who he cleans frequently, and ignoring any food I put in the tank which he usually chases after. I'm pretty much assuming he'll be dead very soon, but is there anything I can do to help him? Or is there anything I can look for as to an indication of what happened? I only got him a few months ago and he was pretty small at the time, so I don't think he's too old. He eats well, cleans the angel frequently, and has molted several times since I got him, so I don't know why he suddenly seems in such bad shape...