Hello everyone. I recently added a small foxface to my tank, and he has been swimming strangely as if he's off balance. A video of this is attached. He has been in my main tank for nearly three weeks now, eats normally (seaweed too), and doesn't appear to be stressed, so I'm not sure what the problem might be thats causing him to swim this way. Does anyone have any knowledge on what might be going on here/how it can be addressed? Thank you for any feedback.