Fantail Goldfish Care Guide: Everything You Need To Know! (2023)

You just got a beautiful little fantail goldfish from the pet store and you are so excited to have it in your tank. I had my first Fantail Goldfish when I was a kid, and I totally understand how you feel now!

From my experience I can tell you that goldfish are extraordinary pets and peaceful fish that don't require much care. However, you still need to know a few things to keep your little fish happy and healthy.

In this guide, I will share all the secrets of Fantail goldfish from my experience. I'll tell you all about their diet, tank mates, breeding and more!

Fantail Goldfish-Samenvatting

Fantail goldfish info
Scientific nameVergulde Carassius
OriginJapan and China (Asia)
ActivityFairly active
care levelSimple
Lifespan10 to 15 years
Tank levelMedium
Minimum tank size20 Liter
Temperature range65°F tot 75°F
KH (water hardness)4-20
pH range6.5 to 7.5
Filtration/water flowModerate
WatertypeFresh water
Fuckingegg layer
Eating patternOmnivore
Difficult to breedModerate
OK, for planted tanks?With caution

Origin and Habitat of Fantail Goldfish

Do you want to take a journey through history and learn more about the origin of the goldfish? The goldfish is a member of the carp family and has lived in captivity for centuries. They are direct descendants of Carassius gibelio, including wild Prussian carp.

Although originally from East Asia, they now live all over the world. They are common in Western countries such as Japan, Europe and America.

Fantails are not free-living in the wild like their ancestors because they are a carefully bred group. However, they prefer an environment similar to that of their carp species. These fish like to live in cold, slow-moving ponds, lakes and rivers full of live plants that they can eat.

Goldfish Fantail Appearance

At first glance, you might think that Fantail goldfish look like any other type of goldfish. At a second glance, however, you can see that they have a distinct appearance.
Fantails have an egg-shaped body with two anal fins and flukes, each cut in half lengthwise. When they swim, their split flukes flutter like a fan! This gives them a fantastic look!
Plus, they come in a wide variety of colors, including but not limited to orange, red, yellow, and black.
Furthermore, they can have pearly or metallic scales on their body with eyes that are normal or telescopic.

Fantail goldfish behavior

The Fantail goldfish is a very peaceful species, just like a Buddhist monk! They move with such elegance and dexterity that they give your aquarium a sense of tranquility.

These species are active throughout the day and do not like to sit in one place for long periods of time. They like to swim from place to place, play games and have fun in general!

In addition, they are social creatures that like to interact, swim in groups and explore their surroundings. When they are alone, they become sad and sluggish, just like humans.

Fantail Goldfish Size

The fantail goldfish can reach a maximum size of6 tot 8 inch. However, mature goldfish can grow large12 inchin exceptional circumstances.

Fantail goldfish longevity

Under proper care and conditions, Fantail goldfish can live 10 to 15 years in captivity. However, with even better care, you could extend their lifespan to 20 years or more!

Fantail Gold Fish Tank-iced

Water Requirements

Water quality

Although Fantail goldfish are robust fish, they are still quite sensitive to water quality. So you have to be extra careful with the water you put in their tank. Standard filters help ensure no debris enters the tank.

To ensure that your fish live in a healthy environment, you should perform a water changeat least 25% once a week. This will help remove any toxins that have built up from the fish waste over time.

If you're looking for an easier way to change the water, consider using a python cleaner.

Water temperature

Like any other species of fish, Fantail goldfish are cold-blooded creatures. This means they cannot regulate their body temperature and ultimately depend on the water around them.

Ideally, you should maintain the water temperature between65°F and 72°F. Yourbeautiful goldfishwill experience stress higher or lower than this.

(Video) Fantail Goldfish Care - Beginner's Guide

If you live in an area with a cold climate, you can use an aquarium heater to help keep the water at a consistent temperature.


When it comes to pH levels, these goldfish species can be quite picky. They prefer slightly acidic waterwith a pH value between 6.5 and 7.5.

To ensure that the water is at the ideal pH level, you can use a pH test kit to test it regularly. If the pH level is too high or too low, you can use a water conditioner to remedy this.

Water hardness

Water hardness is another water parameter to pay attention to. Fantail goldfish prefer water on the softer side with a hardness level in between4 in 20 dKH.

Water salinity

Ideally, you should avoid adding salt to the tank as it can harm your fish. However, if you must use it, this pretty goldfish species can handle some salt if it's no more than 10% and has a gravity of 1.002 or lower.

Ammonia, nitrite and nitrate levels

Levels of toxins like ammonia and nitrite increase over time as your fish expel waste and uneaten food spoils. If they get too high, it can be deadly to your fish.

In general, you shouldammonia and nitrite content at 0 ppm.The nitrate contentmust be less than 40 ppm.

youcan use an API Freshwater Master Test Kit to test the water for these toxins.In my opinion, this is the best water testing kit on the market as it is accurate and easy to use.

Tank setup

Tank mate

While Fantail Goldfish are not active swimmers, they do grow quite large. So you need to give them plenty of room to swim around and explore.

Ideally you should get a tank that isat least 20 liters for a single fish. However, I recommend itusing a 30 gallon tank if you are a beginner.

For each additional fish you need to add 10 liters of extra space.For example, if you want to keep three fantail goldfish, you must have a tank of at least 50 gallons.

Tank maintenance

These goldfish species produce waste like keeping a small elephant in your tank! Therefore, you need to do regular maintenance to keep the water clean and your fish healthy.

You need to clean your tankat least once every two weeks.When cleaning, be sure to remove any remaining food and debris. You should also remove any extra algae from the glass.

To clean more thoroughly, you can vacuum the gravel and wipe down the inside of the tank.


Fantail goldfish need an excellent and efficient filtration system to thrive. Otherwise, you will be changing the water too often, making aquarium maintenance seem like a chore!

For my aquarium I use a HOB filter. However, other great options for these goldfish are canister filters, sponge filters, and sump/wet-dry filters.


By choosing the right decorations, you can make your aquarium look and feel like having a miniature version of a lake, river or mountain stream in your home.

(Video) Fantail Goldfish Care & Tank Setup

For this purpose, you can use smooth driftwood from the aquarium, plastic decorations and pebbles. Double check that these decorations do not have sharp edges that could injure your fish.


Aquarium substrate may seem like a minor detail. Still, it plays an important role in creating a natural environment for your fish.

For Fantail goldfish I prefer a fine sandy substrate on the bottom so they can forage in their natural environment.

However, avoid using sharp stones or gravel as these guys can get scratches, blood and bacterial infections.


Aside from adding aesthetic value to your aquarium, live plants also help regulate water quality and provide hiding places for your fish.

These guys have a tendency to dig, which can lead to them uprooting living plants. Therefore, you have to be strategic about where you place the plants and what types you get.

In addition, column plants can be a good choice because you can place them on top of driftwood and aquarium stones, which will give the plant no problems uprooting.

Some suitable plants for Fantail goldfish are:

  • Java sailing
  • Anubias
  • java mos
  • Amazon sword
  • crypten
  • Duckweed
  • Frog bite
  • Watersla
  • Waterhyacint

Tank cover

A tank lid is essential for slow evaporation and safety. While Fantail goldfish aren't particularly athletic, a tank cover provides peace of mind.

Not to mention, a lid also helps regulate the temperature in the tank and prevents debris from falling into it.

Fantail Goldfish Compatibility

These goldfish mates are peaceful creatures and rarely exhibit aggressive behavior. That's why it's critical that you select their tank mates carefully.

Unfriendly tankmates will bully them harshly and prevent your fish from eating, which can lead to health problems later on.

The table below shows a list of Fantail goldfish-friendly and unfriendly fish species:

Good tank matesBad tank mates
Roze BarbsTiger barbs
Zebra DaniosRed Tail Catfish
Giant DaniosCichlids
Dojo LoachArowana-vis
PlatysBetta vis
Hog Nose Catfish
Mysterious snails
Amano Shrimp
Cherry Shrimp
Spirit Shrimp
Bubble Eyes of Telescoopogen Goudvis
Ranchu goldfish
Pearl scales Goldfish
Lion head goldfish
Big nose catfish (Corydoras multiradiatus)
White Cloud Minnows
Black Moor Goldfish
Oranda goudvis
Celestial Eye Goldfish

Fantail goldfish diet

Fantail goldfish are omnivores, so their diet consists of plants and meat. These fish would eat small insects, crustaceans and algae in the wild.

To mimic their natural diet, feed them a high-quality goldfish food that contains all the nutrients they need to stay healthy. Some suitable Fantail goldfish food options include:

  • Flake food and pellets
  • Frozen bloodworms
  • Daphnia
  • Artemia
  • Sla
  • Courgette
  • Blanched peas

To maintain a healthy diet, feed your Fantails 2-3 times a day with an amount they can eat in one or two minutes.

Why should I limit my fantails' live food?

Live foods are a fantail favourite, but you must proceed with caution. Live foods can contain parasites and germs that can harm your fish if you're not careful. They can also become a lot of waste, especially leftovers.

(Video) How To Care For Fancy Goldfish | Fancy Goldfish Care Guide | Fancy Goldfish For Beginners

If you don't have the time or resources to set up a brine shrimp farm, I recommend using frozen food instead.

In addition, never collect live foods from nature, as this will introduce potential toxins, bacteria, and parasites into your aquarium habitat.

Fantail Goldfish Sex Differences

There is no way to tell the difference between a male and female Fantail when they are young. You should wait until your Fantail is about 1 year old before attempting to sex them.

For males, white spines called brood bumps would appear on their bodies. Females become noticeably fat as they internally store thousands of eggs.

In terms of size, adult male Fantail goldfish usually reach a smaller overall length than females.

Another way to determine the sex is to check the opening, which is located just below the anal fins.

When breeding, female Fantail Goldfish have a round and protruding anal opening, while males' openings appear longer, oval, and concave.

Breeding fantail goldfish

Breeding Fantail goldfish is a piece of cake. These fish are laying hens that can produce more than a thousand eggs at a time!

For a successful breeding, you need to prepare to create the ideal environment for your Fantails. These steps include:

  • Set up a separate breeding tank
  • Add fine-leaved plants or spawning mops to the bottom of the tank
  • Introduce a healthy pair to the aquarium
  • To encourage spawning, gradually lower the temperature to 60°F, then increase it by 3 degrees each day until it gets between 28° and 74°F.

After ideal conditions are met, the female Fantail will begin to lay eggs which the male will then fertilize.

When they're done, you'll need to remove the parents, as they can eat their own eggs if they're hungry! Isn't it a bit gloomy? Such are things in nature!

Within 5 to 6 days, the eggs hatch into young. For the first few days after hatching, baby fish eat their egg sacs before swimming around.

Once your fish are swimming freely, you can start feeding powdered fish food,infusoria, or soft brine shrimp.

Fantail Goldfish Health & Diseases

Healthy Fantail Goldfish Indications

You should know the difference between a healthy and an unhealthy Fantail goldfish. After all, you don't want your fish to get sick!

Here are some signs that your Fantail is healthy:

  • Clear eyes
  • Bright colors
  • Smooth and shiny scales
  • Active and agile swimmer
  • Eat regularly
  • The fins stick straight up

Sick Fantail Goldfish Symptoms

To the untrained eye, it may be hard to tell if a fantail goldfish is sick. However, there are some common symptoms to watch out for:

  • Cloudy eyes
  • Faded colors
  • White spots on the body or fins (ich)
  • Hanging around the bottom of the tank
  • Loss of appetite
  • Floating
  • lethargy
  • Rotting fins

Common Fantail Goldfish Diseases

Here are some of the most common diseases Fantail goldfish suffer from:

(Video) Beginner Goldfish Care Guide

Protozoan diseases

Ich (or White Spot) is the most common parasitic disease in goldfish. This is caused by a waterborne parasite known as Ichthyophthirius multifiliis.

Two other parasites that commonly infect fish are Chilodonella and Costia, both of which cause appearance changes such as cloudy dots on your fish's body.


Sometimes aquariums get external parasites called flukes. They usually come in with live food, new fish or hidden in plants. These living organisms can attach to the fish's body or gills, and you can even see them with your naked eyes!


Mold is a widespread disease associated with low water quality and dirty tanks. If your Fantails have white, fuzzy patches on their heads, gills, or around their mouths, they probably have fungus.

Bacterial infections

While bacteria in your tank are normal, these organisms can start to affect your fish if the water conditions are not right or if the fish are already sick.

Symptoms of bacterial infections are:

  • To swear
  • Red spots
  • Sores on the skin, gills, or fins of a fish

Swim bladder disease

Usually egg shaped goldfish can struggle with swim bladder issues. The swim bladder is the organ that ensures that the fish moves forward in an even plane.

A fish with swim bladder disease floats to the surface, sinks to the bottom, or swims vertically and appears unable to get up.

How can I acclimate my new fantail goldfish to their new home?

This is the moment you've been waiting for! Now, here we are. Are the fish ready to settle into their new habitat? Don't be impatient and throw them in the tank!

You still need to acclimate slowly and steadily to ensure that your Fantail goldfish does not get sick or die from sudden changes in water parameters.

Follow these steps and your Fantail will be swimming around in their new home in no time:

  1. Start by turning off all the lights in the room so your fish can get used to the dark
  2. Next, remove your Fantail goldfish from their bag and let it float in the tank for 15 minutes. This way they can get used to the temperature of the water
  3. After 15 minutes, add 1 cup of water from the tank to the bag. Repeat this step every 5 minutes for a total of 30 minutes
  4. Now it's time to release your fantail goldfish into its new home! Carefully scoop them out of the bag and let them swim around their new tank
  5. Quarantine them for three weeks at a time and observe
  6. After three weeks, your Fantail goldfish should get used to its new home and you can move it to the main tank.

What is the price of a fantail goldfish?

Fantails are not very expensive, but their cost varies depending on where you buy them and the type of coloring or pattern they have.

Usually, a Fantail goldfish costs between $5 and $40, depending on breeding quality. A group of three should never cost more than $60, so they are a relatively affordable addition to your tank.

Professional breeders sell for higher prices because of their excellent genetic background and sometimes unique shades.

Frequently Asked Questions

What Are the Different Shades of Fantail Goldfish?

Fantails come in a variety of colors, including:

  • Orange
  • Blue
  • Silver
  • Black
  • Bronze
  • Rood
  • Calico

Does Fantail Goldfish Need a Heater?

Fantail goldfish do not need heating in their tank. They can tolerate a wide range of water temperatures, from 65 to 72 degrees Fahrenheit.

How often should I feed my fantail goldfish?

You should feed your fantail goldfish twice a day, offering them only as much food as they can eat in two minutes.

(Video) Goldfish Care: 10 Things You Should Know

What is the Life Expectancy of Fantails?

peacock tailgoldfish can livefor 10 to 15 years. However, they can live up to 20 years with proper care.

Last words

It was a long read, but I hope you found it helpful. Fantail goldfish are a beautiful and unique addition to any aquarium.

With proper care, they can thrive and live long and healthy lives. If you have any questions or tips of your own, leave them in the comments below!


Fantail Goldfish Care Guide: Everything You Need To Know!? ›

Fantail goldfish are coldwater fish, requiring a water temperature of between 65° to 72° Fahrenheit. The ideal pH range is between 6.0 and 8.0, and the water hardness should be in the range of 5 to 19 dGH.

Are fantail goldfish easy to take care of? ›

Fantail goldfish care is pretty simple, and something that most beginners can handle without a problem. If you're thinking about getting one of these fish for yourself you have a lot of fun ahead of you! That said, they do have distinct care requirements that you'll need to be aware of.

How often do you feed fantail goldfish? ›

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.

How do you keep fantail goldfish happy and healthy? ›

5 steps to a happier goldfish!
  1. Get your goldfish a friend!
  2. Don't turn the lights on and off suddenly.
  3. Avoid banging the tank and making loud noises.
  4. Feed a variety of foods.
  5. Make the tank interesting.
May 6, 2014

Do fantail goldfish need an air pump? ›

The answer is yes. If any of the following are true then you should add an air pump to make absolutely sure that your fish has enough oxygen: 1) Your water appears very still and your filter isn't causing much surface movement (you may also want to check that your filter is big enough for your tank!)

Can 2 fantail goldfish live together? ›

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.

What do fantail goldfish like in their tank? ›

Fantail goldfish are coldwater fish, requiring a water temperature of between 65° to 72° Fahrenheit. The ideal pH range is between 6.0 and 8.0, and the water hardness should be in the range of 5 to 19 dGH.

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.

How big will Fantail goldfish get? ›

Fantail goldfish can grow as big as 6 to 8-inches on average. However, adult goldfish can grow up to 12-inches in rare cases. The egg shaped body of fantail goldfish is smaller than other fancy goldfish, easily fitting the palm of your hand.

Can a goldfish live in tap water? ›

Goldfish can only live in tap water when it has been properly treated to remove harmful chemicals. Tap water contains chemicals that will kill all of the 'good bacteria' in your tank. Good bacteria develops through a process called cycling, which we talk about in more detail here.

How do I know if my goldfish needs more oxygen? ›

Signs of Low Oxygen

They will swim less vigorously and even eat less often. As oxygen levels drop further, the fish will begin to show labored breathing and more rapid gill movements as they desperately attempt to get enough oxygen from the water by passing more water over their gills.

Why is my fantail goldfish always at the bottom of the tank? ›

Usually goldfish sit at the bottom of the tank due to not feeling well for some reason. Improper water conditions, parasites, stress, GI problems, and swim bladder problems can all cause a fish to sit at the bottom of the tank.

What is the lifespan of a fantail? ›

Fantails have a short lifespan of only 2-5 years, however they also have a rapid breeding cycle with an incubation period of only 14 days followed by another 13 days to fledging, with the potential to breed several times in a season.

Can fantail goldfish live in cold water? ›

Can fancy goldfish live in cold water? Yes they can, but they cannot put up with really cold temperatures below 10C/50f or steep fluctuations as well as the Comet or Shubunkin can.

Will fantail goldfish eat small fish? ›

Goldfish tend to browse for food, eating mostly what are bite-sized morsels, of anything edible. But, if they happen to come across small fish (e.g. baby goldfish), they do not discern, and they will eat it if they can catch it. At breeding time, goldfish produce hundreds of sticky eggs.

What fish are not compatible with goldfish? ›

Avoid aggressive fish that will pick on your goldfish.

In general, goldfish are peaceful animals that will not thrive with aggressive barbs, African cichlids, and other large cichlids.

Can I put 1 goldfish in 2.5 gallon tank? ›

Despite the popular misconception, Goldfish are NOT suitable fish for small tanks or bowls. They need at least 20 gallons for one fish, and 10 for each additional, and that's the minimum.

How many goldfish can I put in a 10 gallon tank? ›

While it is feasible to house up to four little goldfish in a 10-gallon tank, only two are preferable. Two twisty-tail or bubble-eye goldfish can survive in a 10-gallon tank if they receive proper care.

Do goldfish need anything in their tank? ›

Plants in the fish tank will be pleasing to your eye and will provide a comfortable environment for your goldfish. Live plants help oxygenate the water and your goldfish will enjoy nibbling on certain types of plants. Artificial plants are easy to maintain and cannot be destroyed by your hungry goldfish.

How long does it take for a fantail goldfish to reach full size? ›

The average growth rate of a goldfish is about one inch per year. Baby goldfish grow very rapidly in their first few months. Then their growth rate slows as they get older. There are ways to make your goldfish grow faster, but remember: you should always aim to provide your fish with the best possible care.

How do you know if Fantail is healthy? ›

Here are some signs that indicate that your Fantail is healthy: Clear eyes. Bright colors. Smooth and shiny scales.

Can goldfish live without food for 3 days? ›

Goldfish can go without food for 8 to 14 days. During this time, they scavenge their aquarium and feed off algae. In ponds, depending on the size and available algae (sometimes goldfish also eat plants, check out this list here) and insects, goldfish can go without feeding indefinitely.

Can you tell if goldfish is hungry? ›

Have you noticed that? Whenever you get close to the tank, it gives them a signal that it's feeding time. If you are far from your tank and you see your goldfish constantly swimming on the surface, it should give you a signal that they are hungry.

Why are my goldfish dying one by one? ›

Unsuitable living conditions: For example, keeping your fish in a tank that is too small, or not using a filter. Poor water quality: There are lots of water parameters that you need to balance to keep your goldfish healthy. Overfeeding: Goldfish really don't need to eat much, and over-feeding can be very bad for them.

Can goldfish swap genders? ›

Although some fish can change sex, goldfish are not among those. Sex is fixed prior to birth. You are absolutely correct: at breeding time mature male goldfish will develop breeding tubercles that appear as white bumps on the gill covers (opercula) and the rays of their pectoral fins.

Will my two goldfish have babies? ›

Goldfish mate by chasing each other until the female goldfish releases her eggs. The male goldfish then releases his “milt”, which fertilizes the eggs. Get the best from The Goldfish Tank delivered straight to your inbox. Assuming the eggs don't get eaten, baby goldfish will hatch around a week later.

How long is a goldfish pregnant for? ›

Because goldfish don't bear live young, they are never technically pregnant. Eggs take 2-7 days to hatch, but neither the female nor the male has any part in this process. In fact, goldfish of both sexes will eat the eggs if they have access to them.

What kills fish in tap water? ›

But, the same chemicals which keep people safe can be VERY toxic to fish. Adding tap water with chlorine or chloramine to a tank can kill off fish quickly. It can also kill off the bio-filter bacteria that keep your tank healthy and happy.

Is bottled water OK for goldfish? ›

Putting a goldfish in chlorinated tap water, bottled or distilled water, or water that is too acidic or alkaline, can be deadly, Ponzio said. Ponzio recommends buying a solution at a pet store that removes chlorine, adds nutrients and minerals, or measures acidity. Ideal water temperature is about 70 degrees.

What does Epsom salt do for goldfish? ›

beneficial to aquarium fish suffering from maladies such as dropsy, constipation, and swim bladder disorder. Epsom salt may be added to fresh water fish tanks to alter the chemistry of the water. Epsom salt is the common name for the compound magnesium sulphate — a chemical containing magnesium, sulfate, and oxygen.

What are fun things for goldfish? ›

Goldfish need mental stimulation. Decorate the tank with colorful gravel, plants, a sunken ship, anything that will make the goldfish curious or provide an excellent hiding spot. Make sure the decorations don't have sharp edges, though.

What tricks can I teach my goldfish? ›

Ideas for Different Goldfish Tricks

Moving toward a target. Swimming over or under objects. Swimming through hoops and progressively longer tunnels.

Can goldfish be excited to see you? ›

Goldfish are certainly smarter than you think. Some have been observed to perceive and remember well enough to distinguish between people. They often notice the person who feeds them each day, and will get excited when they see them.

What is the best fish tank for fantail goldfish? ›

Reviews for the Best Goldfish Tanks
  1. Oceanic Systems All Glass 20 Gallon Long. Key features: Tank only. ...
  2. Aqua Culture 29 Gallon Aquarium Starter Kit with LED. Key features: 29 gallon (113 liter) glass aquarium. ...
  3. SeaClear Acrylic Aquarium Combo Set. Key Features: ...
  4. Aqua Culture Aquarium Starter Kit, 55 Gallon. Key Features:

What do baby fantail goldfish look like? ›

Newborn baby goldfish start out black. As they grow, they develop a brown color, perhaps with hints of silver. Some areas of their body are almost see-through. It can take up to two years for a goldfish to fully develop its color.

Do fantail 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.

What is the easiest goldfish to take care of? ›

There are many varieties of goldfish, but beginners should start with long-body goldfish, including the comet, sarasa, and shubunkin varieties. Fancy goldfish with unusual body shapes are better for more intermediate fish-keepers.

How big of a tank does a fantail goldfish need? ›

A Brief Overview of the Fantail Goldfish
Scientific NameCarassius Auratus
Tank LevelMedium
Minimum Tank Size20 Gallons
Temperature Range65°F to 75°F
15 more rows
May 6, 2023

What is the hardest goldfish to keep? ›

By far the most difficult fancy goldfish variety to keep is the Celestial Eye. These fish have a round body, double tail, and no dorsal fin. However, the Celestial Eye goldfish has upturned telescopic eyes that gaze toward the top of their aquarium, and that makes them extremely sensitive to light.

Can a fantail goldfish live in a 20 gallon tank? ›

A fantail fancy goldfish can grow to 8 inches in length, and a slim-bodied, Comet or Shubunkin can measure up to 2 feet long! Slim-bodied types are better off in a large garden pond, and fancies need a fish tank of at least 20 gallons.

How much does 1 goldfish need? ›

A good rule of thumb is to choose a tank of at least 10 gallons for one goldfish and 20 gallons for two goldfish. If you plan on keeping moor or fantail goldfish, you will need an even larger tank.

What do I need to know before buying a goldfish? ›

Purchasing a healthy goldfish

When purchasing a goldfish first check that the seller is responsible and that their aquariums are not overcrowded. Healthy fish display clear and bright body colouration and they hold their fins erect. Healthy fish are also alert and swim without undue effort.

How many goldfish can I put in a 10-gallon tank? ›

While it is feasible to house up to four little goldfish in a 10-gallon tank, only two are preferable. Two twisty-tail or bubble-eye goldfish can survive in a 10-gallon tank if they receive proper care.

What is the most aggressive goldfish breed? ›

Some varieties are renowned for being rather more dominant and potentially aggressive than others. An example of this would be the Ryukin goldfish. It is unwise to keep more aggressive varieties of goldfish with types that have potential vulnerabilities, such as fantail goldfish or bubble-eyes.

Are goldfish easier to keep than betta? ›

If you are thinking of a small tank, you are probably better off with a betta fish. A 10-gallon tank is easy to care for and doesn't take up much space. If you are in for more of a commitment, consider a goldfish tank.

What is the most cutest goldfish? ›

The ranchu goldfish is a Japanese breed that is seriously cute. This type of goldfish fish is best known for its prominent hood, thick body shape, and missing dorsal fin. They have a rounded back and small, rounded fins. The impressive hood of this fancy goldfish type takes about a year to grow.

How many goldfish can I put in a 5 gallon tank? ›

The general rule of thumb for stocking any fish tank is one inch of fish per gallon of water in the aquarium. You can keep about 2-4 fish in a tank this size as long as each fish is not larger than 1 inch.

Can a normal goldfish be with a fantail goldfish? ›

What Fish Can Live With Goldfish? Goldfish, on their own, require lots of space for proper keeping. Common goldfish, comets, and shubunkins cannot be kept with fancy goldfish. Additionally, some types of fancy goldfish, such as orandas, black moors, and fantails, shouldn't be kept with other fancy types like ranchus.


1. Goldfish Beginner Care Guide | Basic Care For Goldfish
(The Nerdy Fish Girl)
2. Best Beginner Fancy Goldfish
(Luke's Goldies)
3. How To Keep Your Goldfish Alive For 15 Years
(Insider Science)
4. Fancy Goldfish Care Guide
(Aquarium Co-Op)
5. Keeping Goldfish: What You Should Know BEFORE Buying Goldfish!
(Prime Time Aquatics)
6. Top 10 Fancy Goldfish: A Complete Guide for Beginners


Top Articles
Latest Posts
Article information

Author: Catherine Tremblay

Last Updated: 05/25/2023

Views: 6039

Rating: 4.7 / 5 (47 voted)

Reviews: 86% of readers found this page helpful

Author information

Name: Catherine Tremblay

Birthday: 1999-09-23

Address: Suite 461 73643 Sherril Loaf, Dickinsonland, AZ 47941-2379

Phone: +2678139151039

Job: International Administration Supervisor

Hobby: Dowsing, Snowboarding, Rowing, Beekeeping, Calligraphy, Shooting, Air sports

Introduction: My name is Catherine Tremblay, I am a precious, perfect, tasty, enthusiastic, inexpensive, vast, kind person who loves writing and wants to share my knowledge and understanding with you.