I got my new HM Betta Yesterday. He seemed healthy and active in his little cup. He didn't have any stress lines all the way home or while I was acclimating him to his new tank. His new tank is a 2.5 gallon with a filter and heater. When I put him in his new tank he started spazzing out! He actually rammed himself in the glass. Most of all he had really dark stress lines. I turned off all the lights and left him alone. He calmed down a little bit but not much. Right before I went to bed he started spazzing out again. He didn't a problem with the filter but I turned it off just to let him calm down a bit more. He still had dark stress lines when I went to bed.
This morning I turned on the light and he still had stress lines! I left the light on but walked away. When I walked by him again I glanced at him and he didn't have stress lines. But when I looked at him closer he got the stress lines again. I decided to give him a pellet of food. He would only eat it when I hid around the corner. But he ate it. I gave him another pellet and just stood a couple feet away. Then I gave him his last pellet while I was standing right by the tank. He ate it without showing any stress lines.
He seems to be active swimming around happily. Is he scared of me? Will this fear go away? Could the fact I bought him the day he was shipped to Pecto have anything to do with it? What should I do?
Thank you for your help!