How long can different fish species live without food?
The answer to can fish live without food depends heavily on the species. Betta fish can often survive up to 10–14 days due to their slow metabolism. Goldfish may last 7–10 days, while tropical community fish usually tolerate 3–7 days. Predatory fish often handle fasting better than herbivores, which require frequent feeding. Water temperature also matters—warmer water increases metabolism, shortening survival time without food. While fish may survive these periods, it doesn’t mean they are thriving. Extended fasting can weaken immunity and cause long-term health issues, so regular feeding schedules are always best. Visit
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