Can Goldfish survive in tropical water?

Question

I've decided to change my coldwater tank into a tropical one as the variety of fish is far better.

What I want to know is should I get rid of my goldfish or can I keep them in my tank once I've put the heater in? What will happen etc?!

Answer 1

They will be ok but will grow quickly.
Be very careful which fish you choose to put in with them - ask advice at the shop.

Answer 2

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Answer 3

The definitive answer is, 'yes'. Goldfish, in many different varieties thrive in the tropics. But like any fish, you should introduce them to any change in temperature SLOWLY, and be careful how high you set your thermostat. Even (most) tropical fishes do not like water that's too hot. Start off low, and increase the temperature every 2-3 days by one degree.
The common goldfish is a fish bred from the carp and any one who has lived or been out in the tropics will tell you that carps (including goldfish and koi) live and thrive out there. I have seen them in mixed tanks with angel fish, zebras, gouramis, etc., - all tropical fish.

Answer 4

I think the other fish may attack and eat them if you pick the wrong sort. Check with the person/shop you buy the fish from first!!! I had a tropical tank with about 8 sorts of fish one was a gold fish and was fine with the others the temp was not an influence on them at all.

Answer 5

I love your answers Daniel, but geee your typing fingers must be tired. LOL.

In response to the question, you probably shouldn't keep goldfish and tropical's together. As the proper conditions to keep both healthy are so very different.

Good luck.
E.

Answer 6

i am surprised nobodies mentioned , that a cold water fish in warmer water will not live as long as a cold water counterpart. a wimple( or banner fish) is marine

Answer 7

If your water temperatures exceed 68 degrees, your gold fish will survive for a while but will be in poor health. They can remain in a warmer water 70 for a short time with lots of dissolved Oxygen. DO2 can only enter the water by means of water touching air, filter, waterfalls, wind, waves, fountain powerheads etc.

Really, gold fish should remain in an unheated tank. Ponds which get the summer sun are different since there is pleanty of moving water and they are deep.

here are a few fish that can go with your goldfish:

The most common coldwater fish is the goldfish, followed closely by it's larger counterpart, the Koi. However there are many other interesting fish that do not require a heated tank. Many coldwater fish are large enough that are only suitable for ponds. However, can be kept in adaquate aquariums.

Barbs - Several readily available species of Barbs are tolerant of temperatures into the mid sixties, or even lower. All are easy to care for, and are suitable for a community aquarium. They include: the Gold Barb (Barbus schuberti), the Green Barb (Barbus semifasciolatus), the Rosy Barb (Barbus conchonius), and the Two Spot Barb (Barbus ticto).

Bloodfin Tetra - Both the standard Bloodfin (Aphyocharax anisitsi), and the False Bloodfin (Aphyocharax dentatus) tolerate temperatures as low as the mid sixties.
Bloodfins are offered in many pet shops, are easy to care for, and are quite hardy. They are active top dwellers and are best kept in schools.

Buenos Aires Tetra (Hemigrammus caudovittatus) - Easily found for sale, they will tolerate temperatures into the mid sixties. Standard varieties, as well as albino variants can be found. Like the Bloodfins, they are undemanding and easy to care for. They are suitable for a community tank, but will eat live plants voraciously.

Croaking Tetra (Coelurichthys microlepis) - Not often found for sale, they are an attractive fish that is worth shopping around for. Like other coldwater tetras, they are easy to care for and are suitable for community tanks.

Guppy (Poecilia reticulata) - As readily available as any fish, there are many attractive variations of this popular fish.

Hillstream Loaches - Although they are not often seen in pet shops, some species can be found for sale from time to time. Not all of them prefer cool temperatures, but most will tolerate temps that fall into the mid to upper sixties.

Native Fish - A variety of North American native fish are now being sold in the aquarium trade. Virtually all of them tolerate cool water. Availability varies from state to state, as do laws regarding which species may be legally kept in home aquariums. Keep in mind that some will become too large to keep in a standard aquarium.

Pearl Danio (Brachydanio albolineatus) - Like the zebra danio, this fish is very hardy and easy to care for. It will tolerate temperatures into the mid 60's without difficulty, and is easy to find. They are larger than zebras, but need not be kept in schools.

Weather Loach (Misgurnus angullicaudatus) - Readily available, this loach is one of the easiest to care for. Couple that with the fact that it will tolerate temperatures into the fifties, and it makes an excellent candidate for a coldwater tank.

Wimple (Myxocyprinus asiaticus) - Also known as the Freshwater Batfish. Not commonly found, it is an unusual fish that is worth tracking down if you like to have something unique. It will tolerate temps into the mid sixties.

White Cloud Mountain Minnow (Tanichtys albonubes) - One of the easiest fish to care for, a new gold colored variant has become very popular. They do best in cooler temperatures, although very low temps will lessen their attractive coloration.

Zebra Danio (Brachydanio rerio) - Outside of goldfish and the guppy, the zebra is the most readily available of all coldwater fish. They tolerate temps that fall into the mid sixties, and are very easy to care for. Long finned species are available, as well as a popular leopard spotted variety.

There are many other coldwater species I could cover, but the above list should give you enough options to get started. Good luck with your coldwater aquarium.

Answer 8

the goldfish will be fine mine got bigger and they kept changing their colour from time to time

Answer 9

up to 28C shouldn't be any problem.

Answer 10

Yes, they will get bigger