He had been in the aquatic shop in a 5L tank for 6 months, he has bitten his tail off due to stress, and lost colour, he was sold for 5.99 as a normal betta (one single colour) and he certainly is not "normal" and has much colouring up to do and muscle building yet
https://www.reddit.com/gallery/1toz7ct
Posted by Hester-Shaw