Goldfish and?

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chsscott

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Aug 19, 2007
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Hi guys. I have 3 goldfish in a 10 gallon tank now. I've had 2 of them for about 2 years in this tank, and 1 in the tank for about 1 year. I'd like to get some sort of algae eater, but will they be compatible?
 
no and you are way over stocked and the fish are probably stunted. But an algae eater would just be a big waste of space.
 
nope, plus you need a bigger tank for those fish. 1 goldfish should have at least 30G of space, plus roughly another 10G for each additional fish and you're looking at needing a 55ishG tank to keep the fish you already have nice and healthy. There are few algae eaters which would survive in a 10G tank to begin with, plus they require different water temperatures than the goldies.
 
ditto spirals...

hmm... the 55G is the "10G" of the medium size tanks...cheap and very common. a 55 would do for your 3 GF for awhile.

THEN if you MUST get a bottom fish, Id get one of the smaller plecos like a bristlenose. Don't get a common pleco like I did...they get way too big...he's 7" and still growing...
 
I'm not buying a larger tank for the goldfish. They're only ~3" long with the tail, ~1.5" without. If they get much bigger I'll get a larger tank.

Back to the original question.
I'll look into bristlenoses, thanks.
 
IMHO...GF actually do a reasonable job of picking up the bottom....as much or more than my pleco does...


I guess I just want something that will clean the tank windows. I can always just buy one of those stick/scrubber combos and do it myself, but I'd rather have a fish that does it for me.
 
i would think.... i know someone who has bunches of fish... they have huge fish and i'm not sure exactly what kind they have 2 algae eaters and ALL of the fish leave them alone! they even have fish smaller than goldfish and the algae eaters and the bigger fish ALWAYS leave them alone.... well i hope this was helpful!
 
how old are these goldfish???? Because normally a comet gold fish will go from 1.5 inches to1.5 feet in a year like mine did.
 
I'm not buying a larger tank for the goldfish. They're only ~3" long with the tail, ~1.5" without. If they get much bigger I'll get a larger tank.

Back to the original question.
I'll look into bristlenoses, thanks.

that's a fun circular argument you're using there. the problem is that if they stay in the small tank, they WON'T grow. they'll just die. as a protective measure, fish release growth-regulating hormones into the water. these hormones, along with nitrates and other dissolved chemicals work against the fish, stunting it. the outside of the fish stops growing as a response to the environmental indicators, but those same chemicals do not have an effect on the inner organs of the fish. the organs continue to grow, which affects their efficency and eventually kills the fish. a stunted fish will live a dramatically shortened lifespan, will have muted colors, an abnormally-shaped body, lowered immune system response, and be very susceptible to both diseases and bad water quality.

as far as your original question, bristlenoses do not belong in 10g tanks. they reach 4-6 inches, which puts too much strain on the biological system if they are kept with anything else. while they eat algae, they also need to actually be fed with algae wafers, shrimp pellets, and fresh veggies. they can not survive on algae alone - there is simply not enough bulk in algae to feed them properly. also, bristlenose plecos, along with pretty much all algae-eating fish, are tropical and should not be kept with goldfish because they do not have the same temperature requirements.

tank with algae -> algae scubber removes algae -> water changes remove detached algae and nitrates (algae food).

tank with algae -> algae-eating fish eats algae -> algae-eating fish poops and respirates (releases nitrates into the water) -> nitrates rise -> more algae grows, feeding off nitrates -> fish eats algae. releases more nitrates-> more algae. . . .
 
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