What Size Tank Do I Need For 2 Goldfish?

by | Last updated on January 24, 2024

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require a

minimum of 20 gallons

, and an aquarium of that size is suitable for only two fish. The reason for a goldfish's need for a large set up is because goldfish grow to be anywhere between 6 inches and 2 feet long depending on the type of fish you own.

How many goldfish can live together?

Since each goldfish generally require an average of 20-gallons of water,

2 to 3 healthy goldfish can live

happily in a 40-gallon aquarium, but 50 to 60 gallons are recommended for 2-common goldfish or up to 4 small goldfish.

Can you put 2 goldfish together?

Keeping at least two goldfish in an aquarium is recommended to

provide companionship

and promote activity. … 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.

Do goldfish like to be together?

Goldfish get along well with most peaceful, similarly sized fish. Fin nippers and boisterous fish should be avoided. If housed without a heater, they should be kept with other fish that are tolerant of cooler water temperatures. They are gregarious, meaning they like

to hang around together

.

Can I put 2 goldfish in a 1 gallon tank?

In case you want to add other fish species in a goldfish tank, the rule of thumb is

1 gallon of water per inch of fish

. … Two full grown fancy goldfish can live in a 30-gallon fish tank, whereas just one common goldfish will fit in this size aquarium.

Can 2 goldfish live in a 2 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.

Can 2 goldfish live in a 10 gallon tank?

A 10-gallon aquarium will be a fine starter size tank for

two to four small goldfish

, but the goldfish will not reach their proper adult size unless they are placed in a larger aquarium. The rule of thumb is 1 gallon of water per inch of fish.

Do goldfish recognize their owners?

Why your goldfish might be able to spot you in a crowd: Scientists show fish are capable of remembering and recognising human faces. He may have a fondness for swimming in circles. … However, researcher Cait Newport said it is possible the skill extends to other species, meaning

pet goldfish may remember their owners

.

Is it cruel to keep one goldfish?


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. In fact, many of the longest living goldfish have been kept alone, with no obvious harm to their well being.

Is it cruel to keep goldfish?

So if it's true proper care can make a bowl a haven for goldfish, without causing harm or suffering, then

goldfish bowls can't be considered as cruel

. … And if it degenerates to the most natural habitat for goldfish, then no fish needs to be kept in captivity- whether on fish tanks, aquariums, or bowls.

Can 1 goldfish live in a 1 gallon tank?


They are not recommended to be kept in a 1-gallon tank

. Although it is common to see goldfishes kept in a bowl, it is very cruel and ultimately will kill the goldfish. While some keepers have success with keeping them in small tanks, a one-gallon tank is definitely out of the question.

Is a 1 gallon tank big enough for a goldfish?

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.

Can 2 goldfish live in a 3 gallon tank?

A tank this small is easier to overcrowd than you can imagine. Following the “1 inch of fish per gallon of water” rule of thumb,

you can put three 1-inch fish in a 3-gallon tank

. You can also keep invertebrate tank mates with one 2-inch fish, like a betta.

How long does a 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.

Do goldfish get lonely?


There's no definite way of knowing whether goldfish get lonely

. … However, we can say that it is very unlikely that goldfish get lonely. 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.

Can 2 goldfish live in a 5 gallon tank?

Goldfish are beautiful creatures but a 5-gallon tank is too small. Goldfish are big waste producers and water quality can quickly reach a danger zone in a 5 gallon tank. If you want to keep goldfish, consider keeping them in a small patio pond or get yourself between a 20 gallon and 40 gallon tank.

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.