Too much flow in my opinion, it's a small aquarium and poor guy is tired but has no where to sleep, turn off your flow at night or at least reduce
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Thank you. I think this may be caused by the other fish being overly aggressive. Not going to try anything yet as far as treatment as I don’t want to cause additional stress. I will post of more systems develop or things get worse.Not much to add - to me it looks like he is stressed out/hiding. Can you set up a camera so you can watch what's happening when you're not standing there?