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Anyone Can Help?

Could you give more details on your tank please. We need gallons or litres, filtration and how you clean it out. The purple looks like a bruise which is a sign of septiceamia. You will need to do more water changes to keep the water clean.
Do you have stats for ammonia, nitrite, nitrate and ph? If not then your pet shop can test your water for you.

The two pics of the goldfish. One is a shubunkin and the other is a fantail which is a fancy. Do you have pics of your blackmoor?
Depending on tank size its either territorial or breeding behaviour, but as you havent mentioned any damage to the fish then its likely to be breeding. The males when in breeding condition have white spots appear on the gills and it spreads to the pectoral fins. This is the only time a male will breed. It may be that all the fish are males and the chasing is just excitement which happens, but if they are continually chasing and nudging the back end then you will have to take the blackmoor out as it will soon become exhausted. If it is a female then she isnt really ready to breed until shes around 3 or 4 inches not including tail.
 
WHY ALL OF SUDDEN THE CHASE? just overnight!

frankly i dont know how many gallons but the tank is approx. 1.5 feet by 2 feet by 2 feet.
I have a heater and have known by now that,
-gold fishes are cold water (so heater is out) but skirts are tropical (so heater is in):(
-i need to seperate the White skirt tetras from the tank as they are tropical fish.
-need to get a filter ASAP

I've had these 6 fish for 4 months now and its nly from last night that this chasing game has been happening. i've kept the moors in a seperate bowl as of now.

Firstly...how do i know which fish is male and which is female!!! all look the same to me!! especially the blacks are totally similar....well...kind of...one is a bit plumper than the other...but whats the sign?

the Moor on its rear end there is some kind of a white discharge.

this is the pic of the moor:
http://i33.photobucket.com/albums/d85/avantim/blackmoor1.jpg

this is the red streak on the tail of the gold fish:
http://i33.photobucket.com/albums/d85/avantim/goldtail.jpg

this is the tank:
http://i33.photobucket.com/albums/d85/avan...ank_18thdec.jpg

Lastly, pls tell me more on the breeding possibilities with these fishes i have...confusing.
 
I personally see many problems with your set up, but first the fish that is being chased, is it a new introduction or in fact any of them been recently introduced?
Your tank is way too overcrowded for the fish you have, and chasing could be down to territorial issues as goldfish like to have space to swim and feel threatened in tanks too small. For the goldfish you are looking at around 40 - 50 gallons to adequately house them. The red streaking is a sign of septiceamia as well and you must do lots of partial water changes to keep the bacteria count down and provide lots of clean water. Filtration will need to be improved as well.
I cant see the white from the blackmoor and keeping them in a bowl even for a short while will make them ill.
You still need to get readings for ammonia, nitrite and nitrates. I wouldnt worry about the breeding as they all look to be too young still.
 
I second what black angel has already said about overstocking and lack of filtration. That needs to be addressed pretty quickly to be honest. Get some test kits for ammonia, nitrite and nitrates as suggested ^_^.
I'd like to add that faster fish like shubunkins will sometimes chase slower fancy goldfish like black moors simply because they can. Moors are shaped differently to shubunkins and their egg-shaped body and impractical fins make them slower than their streamlined shubunkin cousins. This basically makes them quite fun to chase... as unpleasant as that sounds. Fancies are best kept with other fancies like fantails, orandas, ryukins etc. to be honest. Shubunkins are better kept with common goldfish, who are also fast and will compete better for food.
 
it is probably because the moor has decided 2 interact with them but they werent happy because h was on there territory.They are very territoral.I had 1 wid trops got rid of the goldfish yesterday but goldfish and tropicals no way as i have earnt.
Thanks
Mat
 
...nope Black Angel, the moors and the goldies have been together for 4 months!!

okie...i got the point strong now:)...learning a lot since this is the first time ive had a fish tank. i guess i cannot change the tank (get a bigger one)as of now...since shifting is a big probability currently.
- i've kept the moors in a bowl in the same tank.
- i'll have to return the fishes in a couple of days...(as i get the time only in the weekends.)


- i'll also have to let them interact and see what happens after this time away...(WHAT SAY YOU ALL ON THIS..)

Rach, would getting a filter solve the tests required for ammonia, or the tests are needed nevertheless??
 
Rach, would getting a filter solve the tests required for ammonia, or the tests are needed nevertheless??
[/quote]

Hi there, you really need a good, probably external filter for your goldfish as they are notoriously dirty fish producing a lot of waste. The filter is the 'home' for most of the beneficial bacteria which break down the harmful chemicals produced by the fish and rotting food etc, into less harmful chemicals ie ammonia into nitrite into nitrate. Have you read about cycling your tank as this will explain the whole thing better. :nod:
And as advised before each goldfish needs a minimum of 8 (imperial) gallons each but single tail goldfish are actually better off with 10 gallons each.
You need a test kit too so you can keep an eye on your water stats. I test every time I clean my tank which is once a week. Your ammonia needs to be 0, your nitrite needs to be 0 and your nitrate needs to be preferably <20 but under 40 is acceptable but needs a bit of work.
 
Yup... peediepixie got there before me! The filter is an absolute must... I'm a big fan of the Fluval Plus range of internal power filters as they are reliable, really easy to use and aren't too expensive compared to other internal power filters. You may need a 'spray bar' too with that filter as the outlet is quite strong and it creates quite a current in the tank otherwise. Test kits are separate... they are designed to tell us what sort of components are in the water.
Here are some websites that you might like to take a quick look at so that it all makes more sense!
About water chemistry...
http://www.thetropicaltank.co.uk/cycling.htm
http://www.thetropicaltank.co.uk/cycling2.htm
Fluval filter...
http://www.aquatics-online.co.uk/Z014021.asp
Fluval spraybar...
http://www.aquatics-warehouse.co.uk/cgi-lo...l%23a1145#a1145
Test Kits...
http://www.aquatics-online.co.uk/Z124260.asp
 
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