how long can a fish go survive without food
How long a fish can go without eating depends on the type of fish. Betta fish can go a week without food, while goldfish can only go for a couple of days.I think your fish should be fine today without any food, but make sure tomorrow to get some fish food specifically for the breed.Topaz Â· 5 years ago.Thumbs up.etta fish can go a week without food, while goldfish can only go for a couple of days. I think your fish should be fine today without any food, but make sure tomorrow to get some fish food specifically for the breed. Topaz Â· 5 years ago. Thumbs up.