What other fish live well with Fancy tail Goldfish?

I currently have one beautiful fancy tail gold fish. The sad news is that it lost it’s tank mate today (do to a bad water change). I was wanting to get more fish to repopulate the tank.

The siz of my tank is a 10 gallons. My remaing fish is roughly 3-4 inches in body size with same or possibly longer size tail.

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6 Responses to “What other fish live well with Fancy tail Goldfish?”

  1. trey Says:

    Almost anything non-agressive could live with that fish. I would go with some..Guppys? Tetras? Plattys? whatever interests you. Just try to avoid fish that get to large because ten gallons is quite small. NO CICHLIDS

  2. okodokuo Says:

    None, unfortunately. I wouldn’t even recommend getting another goldfish - I’ll explain why.

    Goldfish are basically an over-bred version of the common carp. The common carp is a pond fish, which means it evolved to live in large spaces of water that tends to stay on the cooler side, with a balanced ecosystem. This means that goldfish, despite what the pet store might tell you, require much more space than the little bowls they like to try to sell with them. More water means there’s more time for the wastes the fish produces to decompose and turn into harmless forms, and it means that the fish will not die from ammonia or nitrite poisoning.

    Now, you’ve got a much better set-up at the moment than most people with just the one goldfish - goldfish require (in order to thrive) at least 20 gallons of water for the first fish, and 10 gallons of water for every goldfish after that. I’m not saying that you need to get a bigger tank, but rather I’m trying to explain why I wouldn’t recommend you get another fish. While your goldfish may get lonely (and there is enough evidence to suggest they enjoy company), it’s far better than shortening his lifespan by adding another goldfish to the delicate chemical equation.

    You might have noticed I didn’t mention any other species of fish - this is for a very simple reason. Most fish available in pet stores are tropical fish, requiring temperatures from 75-80 degrees Fahrenheit. Goldfish, koi, and other carp are cold-water fish, meaning they require temperatures below the comfort zone of the average tropical fish. Thus, you should not keep the two types together, as one will be stressed out and live a much shorter and crueler life than they should.

    In short, I would strongly suggest that you not get another fish for the tank. If you do want another fish and are willing to risk the health of the original, only purchase a goldfish. HOWEVER, I urge you to perhaps look into a larger fish tank if you truly want to give your goldfish a long, happy life.

  3. Gary C Says:

    Here we go again.

    A 10-gallon tank is too small for even one goldfish. This is probably why the other goldfish died. For two goldfish you need a minimum tank size of 30 gallons, and bigger would be better.
    Your goldfish will eventually grow to be about a foot long, if it doesn’t die from overcrowding first.

    Once you get a big enough tank, the best tankmates for goldfish are other goldfish.

  4. Baile Says:

    Like everyone else i would recommend upgrading your tank size. However i would disagree with the "no other" sentiment. Their are cold water minoes you could place with your fish (in a large tank maybe a 20 or 30) and also Golden Dojo Loachs. All of these are coldwater COMMUNITY fish. So those are options. Tropical fish give you a wider range of options to be honest. If possible i would recommend you find someone who has a pond and is willing to take on ur goldfish. I would wait till spring or if you live in a warm area then i wouldnt worry.

  5. Rockstar Says:

    No other fish can go in that tank. In fact, your goldfish shouldn’t even be in that tank. You need to get rid of your goldfish, or get a bigger tank. There is a reason it’s tank mate died (other than a bad water change). That reasons is that goldfish need big tanks (at least a 30 gallon for two of them, and even then, you might need a bigger one for them down the road). People don’t realize that goldfish get fairly big, and that they produce lots of waste. It’s tank mate possible actually died from ammonia levels, and the water change sent it into shock.

    So, my main advice: Do NOT put anymore fish in that tank. Get your current goldfish at least a 20 gallon, and do NOT add anymore fish. If you want more fish with your one goldfish you need around a 30 - 40 gallon tank. But remember, even a 30 gallon, should only have TWO goldfish in it.

  6. Sarah Says:

    A 3-4" goldfish is too large to live in a 10g tank. Even with at least a 20g filter, he won’t have much swimming space and therefore will not thrive. Fancy goldfish do best when kept with other fancy goldfish. I highly recommend you upgrade to at least a 40g tank and introduce another fantail, but you’re going to have to cycle the tank first which will take weeks.