We need clear pictures and a 1 minute video of the fish.
You can upload videos to YouTube, then copy & paste the link here.
If you use a mobile phone to film the fish, hold the phone horizontally so the footage fills the entire screen.
We need to know what the ammonia, nitrite, nitrate and pH of the aquarium water is. If you don't have test kits, take a glass full of tank water to a pet shop and ask them to test it for you. Write the results down in numbers when they do the tests. If they say the water is fine, ask them what the numbers are.
We also need information about how long the tank has been set up for and how long you have had the fish for.
It's preferable to just have one thread about the fish going so we can refer back to the information that has already been supplied. Having lots of threads about the same fish just confuses things.