So, for the last two days, Dry Ice--my betta--has been swimming up and down and all around his tank like a total mad man. Then he rubs against the rocks in the bottom of his tank, as well as his decorations. He lives in a one gallon tank that stays around 75 degrees because that's room temperature. I change his water weekly because there is no filter and his water gets icky otherwise.
I recently moved across the country so that might explain any oddities with him, but he's never done this before.
There are no white patches on him, no gold color, nothing. Does he have ick or something?