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Yes they do need a filter. People often think they can live with no filter in small bowls, this is not true. Goldfish are very dirty fish because people often overfeed them so make sure you have a filter.

If you have a goldfish you have a Goldfish you should also have a tank at least 10 Gallons. If you have more than one fish with your goldfish or have lots of goldfish you need an aquarium larger than 10 Gallons so that all the fish have lots of room to swim. If your fish have no room to swim and have no filter they may be on there way to dying.

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14y ago

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Related Questions

How long does a goldfishes filter need to be on for?

Goldfish filters need to be on all day and night. Goldfish are the messiest fish around so do NOT keep it in a bowl. Besides filters also help provide oxygen.


Do Goldfish need air filters in the tank?

They don't have to have one but it's better for them and they will live longer if you do.


What does the death of goldfish signify?

That you need a new goldfish


Do you turn off the filter with a pregnant goldfish?

Goldfish can not get pregnant they are egg layers and their eggs are fertilised externally. Never turn filters off on a fish tank unless you are cleaning them. Cycled filters are needed to remove the poisons from the water that the fish create by living/pooing etc in there.


How do you care for your black moor goldfish?

How you would care for an ordinary goldfish, feeding, cleaning, changing water, check filters, temperature gauge, pump and look for signs of ANY infections.


Need a compound word using the word gold?

goldfish


What are some basic breeds of goldfish?

there are three basic breeds: fantail goldfish, comet goldfish, and common goldfish. if you are getting goldfish for the first time, i would recommend common goldfish as they need the least care.


Do goldfish need to be with other goldfish?

The answer is no. People usually think that goldfish get lonely and depressed. This is not true. Goldfish are fine on their own! People usually prefer 2 or more


What do goldfish need to lay their eggs?

goldfish need to lay eggs. Because if they don't no goldfish would be alive and would not be any more so they would become gone forever.


What do you do with goldfish when there grown?

Well the best thing to do first, when they have outgrown their little tanks, you should get those big tanks with filters. You should get a big one because it would give your goldfish a lot more room to swim.


Hi i have a 9 leter tank and 2 small goldfish do i need a filter?

Yes, goldfish are very messy. Goldfish need 10 gallons per fish, you actually need a 20 gallon tank or about a 70 liter tank for 2 goldfish. But the small tank will do while they are small, you will need to eventually get a larger tank.


Does a female goldfish have to have a male around to get pregnant?

Well yes you need a male goldfish and a female goldfish to have babies but it takes allot of time to breed them.