I don't wanna over react and think it is something worse then it is, but today awa has been acting a little weird. We walked in from work and he was laying on his side on the bottom of the tank. He perked up when we came in but seems to be swimming vertically instea of horizontally. Then kind of slowing stop swimming and go back down. I don't really see any other problems no haven't changes anything. Water was 0 amm about an hr ago. Temp at 77-78 in a 2 gallon. 100% change done every Thursday with a 50 when I can remember half way. Fasted on Sundays, only thinG new was I gave him about 3 frozen blood worms on Saturday. Any thought? Over reacting?