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benshorer1989 02-18-2010 04:16 PM

fantail being chased - he has lost scales
YouTube - fantail chased by common goldfish
watch the video - what is happening is the fantail got caught and lost scales and nw its being chased by the others... is it definatly they are chasing it because its injured or is it a mating thing? please help ben.

Austin 02-18-2010 04:52 PM

I don't think it is mating... honestly I don't know much about goldfish but I think they are being aggressive to it... You could take it out or separate the tank with it alone and let it heal... or separate the mean one.

willow 02-18-2010 05:40 PM

the only way round i would say is to remove the fan tail.
looks like agression to me,and in a closed invironment like a fish tank,to mix
species of goldfish is not best,sorry.
have you got another spare tank ?

Lupin 02-19-2010 01:51 AM

1. What did you do that the fish was injured?
2. Do you have a spare tank?
3. What are water parameters?
4. Tank size?

I'd separate the fantail. If confirmed spawning behavior, then I believe these goldfish are likely stunted. They don't reach sexual maturity until they exceed an age of a year.

To determine their sexes, see this.
Sexing Goldfish | Goldfish

benshorer1989 02-19-2010 03:46 AM

its only a 10gal but its fairly established.... no seperate tank but i put the fantail in a 2gallon bucket for now... 3 of the other goldfish are now chasing each other round the tank... tank too small? thanks for the help.. (fantail got caught between plastic cave and glass and couldnt wiggle free and lost scales that way)

Lupin 02-19-2010 06:47 AM

Unfortunately, your tank is overstocked. Each singletail goldfish should have 20g of space per fish. Minimum tank size for at least two is 55g only. They are better off kept in ponds rather than tanks. Singletails in general can reach 12-18 inches in length. They are powerful agile swimmers that need plenty of space. A 10g doesn't cut it.

For fancies, we recommend 10-15g per fish but it doesn't mean a 10g tank is fine. It's still too small especially for fancies that can potentially reach 8 inches and over in size. Many fancies unfortunately remain stunted due to inadequate space given to them. If you want to keep this fantail, IMO, I'd keep that in a 30g minimum. It may seem a lot of space for a small goldfish but this provides a much better chance for your fish to grow properly.

benshorer1989 03-06-2010 07:55 AM

all is fine now - fantail is repaired and al back to norm!

willow 03-06-2010 01:41 PM

good news :-D

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