Asked by: Moazzam Codinach
pets fish and aquariums

Do fancy goldfish need a heater?

Last Updated: 11th April, 2020

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Heaters are not necessary in a goldfishtank. Slim-bodied goldfish can tolerate low temperaturesjust below (above) freezing; however, (some?) fancy goldfishcannot tolerate water temperatures lower than around 55 degrees F.So, unless you want your tank at a constant temperature,goldfish don't need a heater.

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Moreover, can a goldfish live in a heated tank?

Yes, a goldfish can stand warmer temperaturestemporarily (when they're kept in a pond during summer months). Butthey won't feel comfortable kept in warm water all the time. And ifyou try keeping tropical fish in cold water, they'll just becomelethargic and refuse to eat.

Also, what temperature should my aquarium be for goldfish? If you're not interested in breeding yourgoldfish then you should keep your temperature ata steady temperature all year round. A tanktemperature of approximately 23°C/74°F will be highenough to encourage a good rate of growth in your goldfish,without being so high that your goldfish becomestressed.

Thereof, do ryukin goldfish need a heater?

Ryukin Goldfish are among the hardier species ofgoldfish. They can do well in goldfishaquariums or even ponds as long as the environment is safe andtheir tankmates are not competitive. Many people will keepgoldfish in an aquarium with no heater orfiltration.

What temperature is too cold for goldfish?

Proper Water Temperature Goldfish thrive at temperatures between65 and 72 degrees Fahrenheit, which is roughly roomtemperature or slightly below. When temperatures aretoo high, goldfish may become sluggish and overheat.At temperatures below 60 degrees, they may stop eating orbecome lethargic.

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Kourtney Lazhentsev

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Do goldfish turn into carp?

Like all species of carp, the domesticgoldfish, Carassius auratus, grows to be as large as itsresources will allow (within reason, anyway). And they don't justeat fish flakes, either. In the wild, goldfish arecarnivorous. At worst, goldfish will fatten up on the eggsof native species.

Yuhang Muckenhaupt

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Can you use tap water for goldfish?

Keeping Tap Water Safe for Goldfish: TheHealthy Water Treatment. Goldfish can tell right awaywhen they've been placed in dangerous tap water. If youuse tap water for goldfish that contains harmful chemicals orhigh amounts of metals (and leave it untreated), yourgoldfish won't have long to live – atall.

Leana Burchhardt

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How often should you change goldfish water?

The recommended is no more than 2 fish per 20 gallons.At that size, a once a week partial change, at leastone-third of the water, is perfect for keeping the tankclean. Once a month you can do a largerchange, between half to two-thirds of thewater.

Benemerito Garceran

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Do fish get bored living in a tank?

Fish become frustrated and unhappy when kept inbowls and small tanks. House fish in a large filteredtank instead of bowls, which don't provide enough space oroxygen. All tanks should have a pump to keep water flowingcontinuously. Bare homes make for boredfish.

Ning Greinert

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Do goldfish get bored and lonely?

No, they don't. Fish aren't like humans and they don'tfeel loneliness like we do. However, schooling fish,such as minnows, do get stressed if kept alone.Surely a goldfish will get bored unless youget another fish for them to live with?

Divina Rijnhart

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Can Plecos live with goldfish?

Rubber-lipped plecos are fairly peacefulalgae-eating fish, so generally they will not bother yourgoldfish. They also do well in water temperatures between70F and 78F, so their temperature range is within that of mostgoldfish aquariums.

Iudistira Aziago

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How many goldfish can be in a 10 gallon tank?

Use at Least Ten Gallons
A 10-gallon aquarium will be a finestarter size tank for two to four small goldfish, butthe goldfish will not reach their proper adult size unlessthey are placed in a larger aquarium. The rule of thumb is 1gallon of water per inch of fish.

Leidy Janeiro

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Can you eat goldfish?

Yes, you can eat your goldfish. That grossflake and/or pellet stuff is what your fish has been eatingexclusively. Pop a pellet or two, that's what your fish willmost likely taste like. Goldfish, like any fish born andraised in captivity, really should be cooked beforeeating.

Aurelien Johannsson

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What size tank do I need for 2 goldfish?

Now, in terms of 2 common goldfish, youwill want to have a tank that is at least 42 gallons large.The minimum for a single common goldfish is 30 gallons, withour recommendation being 40 gallons. However, for each additionalgoldfish, you will need an addition 12 gallons ofwater.

Xiaojuan Belich

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What do goldfish like in their tank?

Most goldfish need a minimum of 20 gallons, butthere are some species which need up to 50 gallonssuch as the comet and others which even require 75 gallonslike the shubunkin. A rectangular shaped tank is thebest for your fish, stay away from novelty tanks or talltanks.

Laurence Kaeller

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Do goldfish need an air pump?

While there are many ways to ensure they have the oxygenthey need to survive, air pumps are the easiest andmost reliable for any fish keeper. An air pump will help youmaintain high oxygen levels in your tank, keeping yourgoldfish happy and healthy so that you can breathe easiertoo.

Borisov Taverna

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Can goldfish live in tap water without a filter?

A goldfish can live in a bowl without afilter, but not at the optimal quality of life. The bowlwith no filter arrangement will likely shorten thegoldfish's life. Aquarium experts recommend that you notkeep your goldfish in a bowl, but rather a larger, filteredtank.

Acracio Arandigoien

Teacher

Do goldfish need light?

Unlike some other fish, goldfish don'trequire ultraviolet light, and may not need aheat light because they live in cool water. However,light still plays an important role in goldfishhealth, and without a daily and consistent light cycle, yourgoldfish may become ill.

Ibrahime Iaquinta

Teacher

Do goldfish eat hair algae?

However, in heavily fed goldfish tanks it iscertainly possible to have hair algae and green water at thesame time. Hair algae is normally an awful problem foraquariums, since it gets so long and starts to choke filters and isvery unsightly. Here, for once, the goldfish keeper has theedge.

Fouzi Kossel

Reviewer

How many goldfish can you have in a 20 gallon tank?

The general rule of thumb for goldfish isactually 20 gallons for the first goldfish and 10gallons for each additional fish so four goldfishwould actually need a 50 gallon tank as opposed to a40.

Azzeddin Wattrelot

Reviewer

Is a 5 gallon tank good for a Goldfish?

There is no Goldfish suitable for a 5 galtank. Minimum for a single Fancy would be at least 20gal, and for a single Comet or other pond type at least75.

Maissa Seeberger

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How many goldfish can you have in a tank?

Each goldfish requires a minimum of 20-Gallons ofwater. Following this rule means that two healthy goldfishcan live happily in a 40-Gallon aquarium (minimum).50-Gallon to 60-Gallon aquariums is recommended forthree goldfish (four small goldfish).

Sheraz Muxica

Reviewer

Can you put goldfish from a tank into a pond?

Moving goldfish from a tank to a pond Noratings yet. Moving your goldfish from a tank to apond is entirely possible, and will allow yourgoldfish to live a more natural lifestyle with more space,which may help them to live longer.

Haizhen Harchevnikov

Supporter

How often should you feed a goldfish?

Feed 2-3 times daily. It is important to avoidoverfeeding goldfish as this can cause indigestion and/orcontaminate the tank. In terms of the amount to feed, a goodrule of thumb is to only feed an amount that thegoldfish can consume in under two minutes or onlyfeed as much as the size of the goldfish'seye.