![my fish is swimming upside down and lying on the tank floor periodically. it's eyes also look like this. all the other fish (x ray tetras) are fine except this one : my fish is swimming upside down and lying on the tank floor periodically. it's eyes also look like this. all the other fish (x ray tetras) are fine except this one :](https://preview.redd.it/my-fish-is-swimming-upside-down-and-lying-on-the-tank-floor-v0-fxu0kd01uqx81.jpg?auto=webp&s=c406770cc73ce450c78c7fabed95c8ee833c2712)
my fish is swimming upside down and lying on the tank floor periodically. it's eyes also look like this. all the other fish (x ray tetras) are fine except this one :
![Yellow tang seems to enjoy swimming upside down (video) | Reef Builders | The Reef and Saltwater Aquarium Blog Yellow tang seems to enjoy swimming upside down (video) | Reef Builders | The Reef and Saltwater Aquarium Blog](https://reefbuilders.com/wp-content/blogs.dir/1/files/2013/12/upside-down-Yellow_Tang.jpg)
Yellow tang seems to enjoy swimming upside down (video) | Reef Builders | The Reef and Saltwater Aquarium Blog
![Goldfish health: Why is my goldfish swimming upside down? Could it be the swim bladder? | Nature | News | Express.co.uk Goldfish health: Why is my goldfish swimming upside down? Could it be the swim bladder? | Nature | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/128/590x/goldfish-995015.jpg?r=1532677501609)