Goldfish are coldwater fish and will do best in very cool water.However goldfish can live with a heater as long as it is set very low:about 60-70 F degrees.Heaters can actually be good for a goldfish tank because it will keep the tanks temperature from changing often though I'd recommend using a chiller if you have problems with the tanks temp. changing.
No. If you leave your tank for about five days to a week, it will become the same temprature as the room. Then, you can slowly introduce your fancy goldfish in to the tank and see how they do. If they start acting 'strangely' or swimming slowly, this is usual as they are just adjusting to your temprature. As Fancy goldfish are just goldfish, they dont really need a heater, but you may put one in if you want! hope this helps :p
If your tank is in an airconditioned temperature controlled place and it is in no threat of freezing over then it should not need a heater if you wish to keep goldfish. It will need a filter though. (Every tank with fish in needs a filter). If you wish to keep tropical fish then you will need a filter and a heater if you do not live in a tropical area.
No they are hardy fish and survive through cold tempertures between 20 below and they cant ive next to windows because the sun hurts theyre eyes ive tooken care of fish for 3 years ive expierenced them and how they are you may think they are just dumb fish but watch them for a while and teach them to do things they are actually very intelligent
No. Goldfish do not need water heaters. Only tropical fish need water heaters.
If it is a small goldfish, it will physically fit in something that small. But, it will not live very long in it. If you wish to keep goldfish alive, you need at least ten gallons of water for each goldfish along with a good filter and a heater to keep the water temperature stable. With proper care goldfish can easily live 15+ years.
No, you only need gas for a gas water heater.
Goldfish are a hardy species and can survive in worse water conditions than most fish. The basic rules for keeping fish healthy are :- 1 inch of fish needs a minimum of 1 gallon of water, a permanently running cycled filter and at least 50% of its water changed every week. If you apply those basic rules your fish should be OK. I am assuming you are not trying to mix Tropical fish with Goldfish. If you are, then you need to get a heater for the tropicals so that they can be kept warm enough (75F). The goldfish would need to be kept in a different tank that has no heater.
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well, goldfish don't need a heater, so if they can live with a goldfish, then yes, they shouldn't need a heater. I'm gonna try to put a couple mollies (maybe like 2, or 3) in with a goldfish. they "would" be in a, um, I think it's a 1 gallon tank, that has an air bubble filter, thing, that goes in at the bottom of the tank, and it also has a hood, with a light.... You should try it, cause you never know what nature will bring you! Have fun! :):):)
Neon tetras, guppies, and bettas are warm water fish(they need a heater) and calico ryukins and shubunkins are cold water(don't need a heater) so none would really fit together except the warm waters. I have a shubunkin goldfish, common goldfish, and 2 dojo/weather loaches in a 29gal, but they used to be in a 10gal. I recommend another double tailed goldfish if you have the ryukin(single tailed will be faster and nip at the others fins and eat all of the food).
It depends on the goldfish.. For ones that stay small you should have at least 10 gallons.. The bigger the goldfish gets the more water it needs. Those one and two gallon bowls do not cut it..
My Fantail Goldfish did that alot the first time I got him. I think it might be that they need to relax or they might be scared.
You need to provide 1 gallon of water per inch of fish. Goldfish get along fine with other goldfish.
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Heater/thermostat units come in many sizes. I have found that pet shops charge far too much for them here in Australia so I always buy mine off the web. for example a 300 watt heater/thermostat at the local pet shop was $Aus98.00 +. On the web after searching a bit, the identical heater/thermostat cost me $Aus35.00.including postage. My advice is to google and look around and compare prices.
No. Guppies need a heater, whereas gold fish will overheat. Also, they will eat the guppies.