How long have you had him? They can definitely take a day or more to get used to the new tank, and they do indeed kind of stay with the rock. But if he's lying and not really doing much, there would be a concern of disease or something else that may be causing him to act this way.Somewhat. Hes laying on the rock behind the frag plug, there's no large hole on the rock for him to have a crevice. Thank you. He doesn't look stressed but still learning the behavior.

