Is it OK to have just one goldfish?

Goldfish (Carassius auratus) are social animals and when kept in groups can be seen regularly interacting with other goldfish. Keeping at least two goldfish in an aquarium is recommended to provide companionship and promote activity. Solitary fish can exhibit depression and lethargy.
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Can you keep 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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Will a single goldfish be lonely?

The short answer to this question is “no”. Goldfish are not shoaling fish, so they don't need to live with other goldfish to feel safe or happy. In the wild, they may live in the presence of other goldfish, but they don't rely on other goldfish for safety or to get food.
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Does 1 fish get lonely?

In captivity, it's strongly recommended that they should be kept at least in pairs, to provide companionship. If you watch fish in a tank, you'll see that they regularly engage with other fish. It's thought that solitary fish, much like solitary humans, may begin to suffer from depression and lethargy.
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Can you keep 1 goldfish in a bowl?

Goldfish can't live in a bowl under any circumstances, no matter the type or size of your goldfish. Goldfish don't grow to their surroundings, they stop growing as a survival mechanism, but there's a catch, their organs don't stop growing. Basically putting a goldfish in a bowl will make them implode.
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Should You Keep A Single Goldfish with No Tank Mates?



What is a goldfish's lifespan?

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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What size tank do I need for 2 goldfish?

Based on the rules above, the goldfish tank size we recommend for two goldfish is: 42 gallons for two Common goldfish. That's 30 gallons for the first fish and 12 additional gallons for the second fish.
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Do goldfish get depressed?

It turns out that not only can our gilled friends become depressed, but some scientists consider fish to be a promising animal model for developing anti-depressants.
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Do goldfish need tank mates?

Adding tank mates to a goldfish habitat is really more of a personal decision than a necessary one. Your goldfish will be content as long as they have a clean tank to explore, plenty of room to swim, and an abundant source of food.
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How can you tell if your goldfish is unhappy?

Strange Swimming: When fish are stressed, they often develop odd swimming patterns. 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.
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Do goldfish miss their owners?

The research was done on archerfish, a silver and black tropical species, popular in aquaria. However, researcher Cait Newport said it is possible the skill extends to other species, meaning pet goldfish may remember their owners.
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Can 2 goldfish live in a 10 gallon tank?

Can two Goldfish live in a 10-gallon tank? Two fully grown goldfish would hardly be able to move in a 10-gallon tank. You can keep two only when they are as small as babies. Once they go beyond 2.5 inches each, you need to transfer them to a larger aquarium if you want them to grow healthy and happy.
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Do goldfish like having friends?

Even though your goldfish probably enjoys their space to play and explore, they are also very sociable and love other fish friends.
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Do goldfish get bored?

The bottom line is that as long as you provide your goldfish with a large space, good clean water, and lots of plants and tank decorations, it should be perfectly happy. To reiterate, no, goldfish do not get bored or lonely, which is a definite benefit.
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What fish can I put in with goldfish?

With these ground rules in mind, here are our top 10 tank mates that we have personally tested and found to be compatible with goldfish:
  • Hillstream Loach. ...
  • Brochis multiradiatus. ...
  • Dojo Loach. ...
  • Bristlenose Pleco. ...
  • Rubbernose Pleco. ...
  • White Cloud Mountain Minnows. ...
  • Ricefish. ...
  • Hoplo Catfish.
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Do goldfish need rocks in their tank?

And the answer is that goldfish don't need substrate. There's nothing essential about having a substrate and goldfish can survive quite healthily and happily without one. So, as goldfish don't require a substrate, you could choose to simply leave the bottom of your goldfish tank bare.
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Can a betta live with goldfish?

Short answer, no! There are many reasons why these two fish cannot be tank mates. First of all, a betta fish is a tropical fish, originating in the waters of Thailand, the betta needs waters of 78 – 80 degrees Fahrenheit. Goldfish, however, prefer cooler waters of around 74 degrees Fahrenheit.
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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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How can you tell a goldfish's age?

The scales are made up of concentric rings which are formed closer together during cold weather when there is little fish growth, and further apart in warm conditions when the goldfish are growing more quickly. By counting the bands of closely spaced rings, the age of the fish can be determined.
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Is it cruel to keep fish as pets?

To sum it up, when done improperly, having a pet fish can indeed be cruel. It is simple enough to keep fish humanely, however. Simply treating your marine creatures kindly and providing them with the necessary, quality conditions, they will live a long and happy life.
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How big should a tank be for 1 goldfish?

The rule for goldfish is 2 inches of fish per gallon of water. Considering goldfish can grow to be quite large, the less goldfish you have in a big tank is better. One goldfish for every ten gallons of water is also another good rule to follow.
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Can goldfish live in tap water?

Goldfish cannot live in untreated tap water

Goldfish can only live in tap water when it has been properly treated to remove harmful chemicals. What is this? Tap water contains chemicals that will kill all of the 'good bacteria' in your tank.
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Can 2 goldfish live in a 1 gallon tank?

The general rule of thumb is that you need one gallon per 1 inch of goldfish. The last thing you want to do is have too many goldfishes crammed in a tiny space. Ask any fish owner and they'll tell you that tank size has always been very important. It determines how freely your fish can swim around.
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How often do you change water for goldfish?

To keep your fish healthy, you should change at least half of the water in the bowl or aquarium every 3 days.
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Do goldfish need light?

Goldfish do not rely on lighting as plants do, but it is still important to give them a day and night cycle. This will help their eye development and provide them with the light requirements that they would receive in the wild.
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