I purchased a Yellow Watchman Goby and Pistol Shrimp Monday. Both are very well today. My concern is the goby. He has been swimming at the top of my tank (20g peninsula) for a few hours. Looks like he is playing in the current like my clownfish do. Before this he was on the sand bed like normal. Should I be concerned? From what I’ve read, that is not typical behavior. Any advice would be appreciated.
