Can I Have 1 Goldfish With Other Fresh Water Fish?

by | Last updated on January 24, 2024

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Keeping at least two in an aquarium is recommended to provide companionship and promote activity

. Solitary fish can exhibit depression and lethargy. Goldfish are generally not aggressive so they can be kept with most community fish provided the other fish are larger than the size of the goldfish's mouth.

Can you put guppies with goldfish?

What is this?

It is possible to keep guppies and goldfish in the same tank water

. The temperature just needs to be around 72-74°F , which is on the high side for goldfish and on the cooler side for guppies. Of course, temperature isn't the only consideration when deciding whether fish can live together.

Can goldfish live alone with other fish?

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.

Do goldfish need a filter?

The belief that goldfish need a filter is incorrect.

Goldfish don't actually need filtration

and can live long lives, as you may have seen, without filtration. The longest-lived goldfish, Tish, lived to 42 years old in a regular fishbowl.

Is it OK to have 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.

Does one 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.

What size tank do I need for 2 goldfish?

Now, in terms of 2 common goldfish, you will want to have a tank that is

at least 42 gallons large

. What is this? The minimum for a single common goldfish is 30 gallons, with our recommendation being 40 gallons. However, for each additional goldfish, you will need an additional 12 gallons of water.

Can koi live with goldfish?

Can Goldfish And Koi Live Together In A Tank?

You should not keep goldfish and koi in a tank together permanently; however, it can be done temporarily, and only when the koi aren't fully grown

. Koi can grow up to 3 feet in length, so the vast majority of tanks aren't going to be suitable for them.

Can goldfish live without air pump?

As it has been stated, goldfish do not always require an air pump to survive. It can do well in a tank that is well oxygenated for as long as it normally can.

As long as there is enough surface movement that translates to oxygen, then the goldfish can live just fine without an air pump

.

Does goldfish eat other fish?

Goldfish by nature are not aggressive, and are not predatory. The short answer would be, “

No, they don't eat each other

“. However, there are some circumstances where goldfish do eat each other. Goldfish tend to browse for food, eating mostly what are bite-sized morsels, of anything edible.

Do goldfish need heater?

Unlike tropical fish,

goldfish do not need warm water temperatures to thrive

. According to The Goldfish Tank (an online resource for goldfish owners) the ideal temperature for water should be around 23°C. The best way to ensure the temperature stays steady despite exterior temperature changes is to use a tank heater.

Do goldfish need a 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.

Can I put my goldfish in a bowl?

Some goldfish live happily in 3-5 gallon bowls their entire lives, but

ideally, an adult goldfish should be kept in a bowl that is at least 10 gallons

. This will provide leeway with water changes when life gets busy and ensure the water quality is maintained.

Do goldfish get depressed or lonely?

While we can never know for sure,

there is no indication that goldfish get lonely

. It's likely that when you spot a single goldfish that seems lethargic or depressed, it is far more likely that there is a problem with its environment or health than it is that the goldfish is lonely.

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.

Can you introduce a new goldfish to an old one?

Introducing a New Goldfish to a Tank.

The best way to transfer a new goldfish into its new home is to leave the fish in the oxygen and water filled bag that the pet store employee put your new pet into

. Simply place it directly into the goldfish bowl or tank and wait until the water temperatures are equal.

Do goldfish need toys?


They want to be entertained with some toys and decor items present in the water

. Usually, they look for aquatic plants, tunnels, stones, and other such things that give them an ocean vibe. Make sure to choose lightweight, easy to push around and aquarium safe toys, so it does not harm your goldfish.

How do you know if goldfish are happy?


Do not have white spots or blemishes on their body; do not have fins that are torn or ragged, and do not eyes that are bulging

(unless you have a Bubble Eye Goldfish). Are expanding their gills regularly — but not rapidly — to take in water and oxygen. Are brightly colored with vibrant scales.

Do goldfish get bored in tanks?

Identical to fishes,

they are feeling bored, too

. An empty aquarium without any presence of decorations or plants may bore your fish in the long run. Fishes being bored is a negative aspect that might not develop their skills and way of thinking.

Can two goldfish live in a 1 gallon tank?


You won't be able to put more than 1 goldfish in a tank

, but a single goldfish will do well in a 1 gallon tank.

How often do you change goldfish water?

To keep your fish healthy, you should change at least half of the water in the bowl or aquarium

every 3 days

.

How often do you feed 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.

Will koi eat small goldfish?


Koi could eat small goldfish

so be wary of featuring small specimens in your pond as they may start disappearing! The best species of goldfish to share your pond with your koi are comet goldfish. Goldfish breed well and so you should ensure that you don't end up with an overstocked pond.

Which is better koi or goldfish?

If you think that the larger the fish, the better it is then

koi clearly win out

. However, fish only grow to a size appropriate for their environments, so if your pond is only a few meters across, your koi won't grow much larger than goldfish would, anyway.

How long do pet goldfish live?

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. Housing needs to meet both their behavioural and physiological needs.

Diane Mitchell
Author
Diane Mitchell
Diane Mitchell is an animal lover and trainer with over 15 years of experience working with a variety of animals, including dogs, cats, birds, and horses. She has worked with leading animal welfare organizations. Diane is passionate about promoting responsible pet ownership and educating pet owners on the best practices for training and caring for their furry friends.