I have a 55 gallon tank that I would like to turn into a goldfish tank. It is a normal shaped aqueon tank with a good eheim heater (not that I'll need that lol), and a great eheim filter. Not sure which one it is, but it is one of the bigger models of the classic external canister filter. My local fish man recommended it when I had about 20+ tropical fish in there (most bettas, snails, guppies, corys). I also plan to add some airstones as a have 2-3 air pumps available.
I have never had experience with goldfish so I am listening with open ears! I have tried researching goldfish but I can't seem to find good site, so I am asking you guys for help so I can at least get a clear idea of how to care for goldfish.
I know goldfish range in size, but I would like a goldfish that I could at least keep three or four in the 55g. I know goldfish get big so that might not be possible to do that many, so what goldfish do well in small groups? I want at least two goldfish, although three or four would be the best. I just keep hearing so many different things. One website says only like 2 or 3 in a 55, some say only 2, others say like 6 and I know that's not right. Also, for what ever goldfish I get, this would have to be the final home. I live in an apartment and can't go any bigger than 55g, so I hope that is enough space for a permanent home for some goldies.
I am not a beginner with fish but I am a beginner with goldfish so I should probably stick with easy to intermediate level goldfish.
A few questions:
1)The bottom of my tank is sand. Is that okay?
2)What is the best substrate for goldfish?
3)Do goldfish really uproot and eat live plants?
4) Are they compatible with snails?
5) Should I get them young or already grown a little bit?
6) What should I always avoid when it comes to goldfish?
Finally, 7) Does anyone know of any reputable goldfish care sites?