It has been 3 days that one of my fishes (long fish) stand head down ALL THE TIME. Even when he move around the tank, he's always in the same position, head straight down. For 3 days, I've watched him many time and never saw him in a different position for the last 3 days. One thing I noticed that he only use his side fins to swim, not using its tail at all. He looks like he has a weight tie to his mouth that's pulling him down.
Anyone ever experience the same thing in their fish?
Thanks
Anyone ever experience the same thing in their fish?
Thanks