It probably could be fin rot. How long do you wash your betta’s tank? If fin rot is not the problem, boredom or stress could be the problem. Bettas usually bite their tails when they’re bored or stressed, try to get a ghost shrimp to entertain him.
Sharp plants or decorations can also be a problem. Have your decor checked out!
I hope this message was useful for you! Good luck with your aquatic friend!
Sharp plants or decorations can also be a problem. Have your decor checked out!
I hope this message was useful for you! Good luck with your aquatic friend!