Description : Why is my betta fish so listless that he barely moves half of the time?
Last Answer : answer:How old is your betta? Or how long have you had him? As a tropical fish, bettas are not very long-lived. The ones I've had usually live for about 2 to 3 years. When you buy them at ... swimming properly or even just moving around normally, so all he can do is lie at the bottom of the tank.