Betta Attacking Reflection in Tank Glass?

[College Kid]

Pretty sure this is what's happening. Looks just like he's being aggressive with another betta and staring his reflection down trying to counter its movements and attack. Being going on since i moved him into a lighted 5g tank. Any other ideas as to what this is? How to fix? Let him learn???

 

[Mumma.of.two]

Leave the lights off for a few days to let him get use to his new environment. Provide him something to hide in/under so he can get away from the 'intruder' in his tank. It should slow down and stop eventually.

 

[College Kid]

Alright thanks! Btw mumma, got rid of the bamboo. After you mentioned them, did more research. Thanks for that too.

 

[Mumma.of.two]

Alright thanks! Btw mumma, got rid of the bamboo. After you mentioned them, did more research. Thanks for that too.

All good my bettas like java ferns to hide in. It's low light and very hardy.