Can you put a baby goldfish in the same tank as a big goldfish?

Don’t add a large, powerful box filter, as the babies will very likely get sucked inside! Your baby goldfish should stay in smaller tanks – separate to the adult fish – until they meet two important conditions: … They are bigger than the adult fish’s mouths!

Can you put little goldfish in with big goldfish?

Yes. They have no inhibitions against cannibalism at all. However, a goldfish generally will only eat other fish that are small enough to fit in its mouth. So the size difference has to be substantial before the little one becomes a meal for the big one.

Will large goldfish eat baby goldfish?

Goldfish by nature are not aggressive, and are not predatory. The short answer would be, “No, they don’t eat each other”. … 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.

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Can goldfish of different sizes live together?

Goldfish get along well with most peaceful, similarly sized fish. … Goldfish of different sizes can be kept together, however, commons, comets and shubunkins may become too boisterous for smaller fancy goldfish as they grow and may need to be separated.

Can I put a new goldfish in with my old one?

Any new fish should be quarantined for at least 4 weeks, 8 if possible in a tank with a mature filter. That way you’ll be able to spot any problems like whitespot and deal with them before the fish joins your old one.

Do goldfish need to be in pairs?

Keeping at least two goldfish 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.

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. 30 gallons for two fancy goldfish.

How do you introduce a new goldfish to an old goldfish?

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.

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Why is my goldfish attacking my other goldfish?

Competition over resources. Even if your tank is very spacious, goldfish will sometimes fight and bully each other if they are in competition for resources such as food. … Live plants within the tank can provide an excellent supplementary source of food for goldfish, as well as providing hiding places for smaller fish.

Why is my goldfish killing my other fish?

If it is attacking other fish, that’s often a sign of being territorial. If you find it is becoming too aggressive, you may have to give it it’s own tank, or give it away or ask a pet shop if they will take it, free, they won’t pay you for it.

Can goldfish share a tank?

While goldfish are indeed beautiful and iconic enough to enjoy on their own, they make great additions to community tanks as well. Peaceful and playful, goldfish can thrive in a multi-species environment. However, curating a community habitat with goldfish is not as easy as it seems.

Can two different types of goldfish breed?

Goldfish Varieties

All are the same species and can interbreed. Often people ask if shubunkins can breed with common goldfish or if fantails can breed with comets. Well, they are all the same species. Just as a yorkie and a doberman pincher dog can breed, so too can two different varieties of goldfish.

What size tank should I have for 3 goldfish?

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.

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How long to wait before putting goldfish in a new tank?

Filling Your New Aquarium

After purchasing your new aquarium, make sure to set it up, add water, substrate and plants and allow it to settle for at least 24 – 48 hours before adding fish.

How long is quarantine for goldfish?

New goldfish should be placed and observed in the quarantine tank for two to four weeks before introducing them into the main goldfish tank. Some serious goldfish owners do this for up to six months to a year.

Can you put cold water fish straight into a new tank?

If your aquarium water is ready, we would advise stocking the tank very slowly to avoid filter overload – one or two fish to start with, then if there is no deterioration in water quality after 2 weeks, then you can add another one or two fish.