How long can goldfish go without eating?

Goldfish can go without food for around two weeks. Their metabolism can withstand a long time without nutrients, but it's not a smart thing to practice. Even though goldfish don't eat every day in the wild, if they got used to feeding two or three times a day, staying without food for long can harm them.
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Can goldfish survive a week without food?

It is proven that a goldfish can go for 1-2 weeks without food. However, you should not leave them unfed for this long as they will become malnourished and extremely hungry. If going on vacation maybe consult your neighbor or use the tips we will share below.
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Can goldfish survive a day without food?

Ideally, they should feed your goldfish 2 to 3 times a day. But as now that we know that goldfish can survive about 2 weeks without food, you can ask your neighbor or friend to feed your fish once a day or even once in 2 to 3 days will be just fine.
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How often do goldfish need to be fed?

Feed 2-3 times daily. It is important to avoid overfeeding goldfish as this can cause indigestion and/or contaminate the tank. In terms of the amount to feed, a good rule of thumb is to only feed an amount that the goldfish can consume in under two minutes or only feed as much as the size of the goldfish's eye.
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How quickly do goldfish starve?

Goldfish can go for as long as two weeks without food, experts suggest, but just because they can, it doesn't mean they should. We wouldn't ever endorse leaving yours for so long without feeding them, as it's incredibly unfair on your charges. After two weeks, they'll be malnourished, not to mention extremely hungry.
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Comparison: Survival Without Organs



Can fish go 2 weeks without food?

A healthy, grown-up aquarium fish can go from 3 days to 1 whole week, without eating any food. Some fish species can even live for more than 2 weeks without eating. Whether in nature or in an aquarium – an adult fish has sufficient body mass and fat reserves to skip a couple of meals once in a while.
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Can I feed my goldfish every other day?

For the most part, feeding your fish once or twice a day is sufficient. Some hobbyists even fast their fish one or two days a week to allow them to clear their digestive systems. Larger, more sedentary fish can go longer between meals than smaller, more active fish.
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How do I know if my goldfish is hungry?

How To Tell If Your Fish Is Hungry
  1. Your fish is digging around the substrate (searching for food).
  2. Waiting and the top of the aquarium (for feeding time).
  3. Behavior changes (aggression).
  4. Noticeable weight/size changes.
  5. Slow or sluggish behavior.
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How do I know if my goldfish is happy?

Your fish are happy and healthy when they:
  1. Swim actively throughout the entire tank, not just hanging out or laying at the bottom, floating near the top or hiding behind plants and ornaments.
  2. Eat regularly and swim to the surface quickly at feeding time.
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Are goldfish always hungry?

Many freshwater tropical fish and goldfish will come to the front of the tank and “beg” for food. This is a learned behavior and does not mean they are hungry. Remember, fish are built to scavenge or prey on foods in the wild. They have to find it and capture their food.
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How long can goldfish live in tap water?

Goldfish cannot survive longer than a few minutes in untreated tap water. It will kill them almost instantly as it burns their lungs. If the pH level of your tap water is fine for a goldfish to survive (7.2-7.6), then it is safe.
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How long do goldfish sleep per day?

While goldfish can't close their eyes, they do sleep at night and take naps during the day. It's normal for them to sleep around 8 to 12 hours out of 24 in short bursts, and most fish learn to sleep when you're not interacting with them.
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What is a life span of a goldfish?

Goldfish have a lifespan averaging about 10-15 years, with some varieties living up to 30 years when provided with proper care. Unfortunately, many goldfish do not reach their lifespan potential due to inadequate housing conditions.
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Do goldfish get lonely?

However, we can say that it is very unlikely that goldfish get lonely. What is this? Goldfish are just not the same as humans – they're not social animals in the same way that we are, and they don't have the same capacity to get bored or long for companionship.
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Do goldfish recognize their owners?

Pet goldfish can distinguish between humans, and often recognise the human that regularly feeds them. Pet goldfish can also seem quite scared of new people, but become more comfortable with their owners over time as they realise they aren't a threat.
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Can goldfish hear you?

Interestingly, they can listen to you. Just not in the way you think. You may have found goldfish responding to you tapping on the glass to get their attention. They can hear using several different sensory organs, mainly their internal ears and lateral line.
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What do goldfish do all day?

First of all, it's normal to see your goldfish swim, play and explore during the day and sleep at night. Do fish sleep? Yes, but because they have no eyelids, they can't close their eyes like we do. The goldfish behavior can be influenced by the environment, tank mates and also by its owner.
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Is it OK to have just one goldfish?

To answer the question: Yes, goldfish can live alone. In fact, many goldfish can live long, healthy, happy lives all on their own. Just remember, though, not all goldfish will be happy on their own, and some would prefer the company of other tank mates.
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Do goldfish like mirrors?

Additionally, mirrors can help your goldfish feel like there are more fish around -- without overcrowding your tank. Lastly, having a mirrored background to your tank can help improve the lighting.
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Can I leave my goldfish for 3 days?

Goldfish are able to go up to two weeks without food, but it's not recommended to leave your fish without food for so long because captive goldfish has its daily feeding schedule. If you are away for longer than three or four days, make arrangements so your goldfish gets its food on a schedule.
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Do fish know their owners?

Surprisingly, science has found that fish are capable of recognizing their owner's face, even if the owner is standing by the tank with other people. Fish can develop an association between something they like, being fed, with the person who feeds them.
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How can you tell if a fish is sad?

If your fish is swimming frantically without going anywhere, crashing at the bottom of his tank, rubbing himself on gravel or rocks, or locking his fins at his side, he may be experiencing significant stress. Talk to your veterinarian about treatment and look into what may be causing the stress and alleviating it.
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What human food can goldfish eat?

You can feed various vegetables like peas, spinach, kale, etc as well as fruits like grapes, orange, watermelon, apple, banana, etc to your Goldfish. Besides, some people also feed oatmeal and cooked rice to their Goldfish.
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Does a goldfish sleep?

Unlike people, goldfish do not lie down when they sleep. Rather, they become less active, staying in one place and moving slowly to keep themselves stable. They look like they are hovering in the tank or pond, usually low in the water, an inch or so off the bottom, with their heads pointed slightly downward.
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Can you feed goldfish once a week?

Until they are one year old, you should feed goldfish 2 or 3 times per day. Once they are older than one year, you should feed goldfish just once per day.
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