staying at bottom

All right, so I haven't posted in about a year, since my fish Leo has been very happy, showing all the signs of a healthy fish. But ever since last Monday evening, he started to become less active. Usually, he follows my finger around, and gets really excited when I come to feed him, but when I...

As a lot of you know I have one of my 7 females MAUI in a hospital tank repairing her fins. During a daily water change today while i was adding aqua. salt to her tank she took a nice dive from the jar she was in on the counter to the floor! I was sick to my stomach when i saw her, but lucky...