Hello all. I'm new to this, so here goes.. I woke up this morning and one of my crayfish (I have two), is laying on it's side. I'm thinking it's probably dead, but I've only had it since Friday. The other one looks fine. They have been eating, with no problems. I'm not sure if it's dead? When I look closely at it, it looks as though there are tiny arm-like/worm things moving around near it's abdomen. I'm not sure what type of crayfish these are because I recently bought them at a petstore that accidentally got them with their shipment. Is it possible that these little "worm-like" things are actually legs, like it's molting? I tried to take a picture, but it's so small that you can't see it. I see two things moving, like it's trying to grab onto something, so I know it's not from the current of the filters. Any ideas? Thanks!