my female betta fish

The first day
I introduce the fish to the watertank, before i introduce it to the water it was swimmng and also after i introducied it to the new aquarum it was swiming.
when i gave it the food it was not swimming as way it was, early but it was eating.
then i swims slowly.

The second day
in the morning it was slowly swiming and in same times it stops as if its thinking. But when iam giving ti the food it can eat

The third day