Possible Disease?

[elliott78]

I have had my 55 gallon tank established for a few months now. A week ago I added some neon tetras w/o quarantining them first. 6 out of the 12 were either eaten by angels or died. If they did die, I am unable to locate them among the driftwood and plants. Around the same time I had 1 of my 4 angelfish pass away. I did not think anything of this because the fish store I bought this one specimen from had approximately 75% of the batch die in the store.

Today, 1 of my remaining 3 angels, a blushing gold, is not acting right. The area around his head is turning brownish... There is also some of this same coloration happening around his pectoral fin... When I got home from work he did not eat with the other two, (calico kois a couple months older). The kois have been in the tank longer however the gold has grown to be just as aggressive as them, which is why this behavior today is strange. Is this a disease or fungus? Thanks for your assistance.

Oh, also one other happening today, my wife informed me the 2 kois were locking lips and seemed to be fighting... They are not cleaning any areas though and although just about full-grown I think they're too young to breed? Not sure though, any help would be much appreciated!

 

[Angie_B]

I'm not an expert, but the gold dusting sounds very much like Velvet to me. Good luck though with everything.

 

[WILDER]

Size of tank in gallons or litres.
How many fish and which type.
Water stats in ammonia, nitrite, nitrate, and ph.

A golden rusty varnish on a fish is velvet.
Any signs of flicking and rubbing or laboured breathing.
http/www.skepticalaquarist.com/docs/heal...thprotist.shtml

 

[elliott78]

55 gallon tank. 2 clown plecos, 1 bristle nose cat, 7 corys, 6 neons, 6 head & tail lights, 4 feeder guppies, 5 white clouds, 1 molly, 3 platies, 2 angelfish. The fish I spoke of passed away early this morning. The other two angels began to beat the heck out of the now deceased last night after I posted. I have no other tank. Not sure if this was a disease or if the other two are beginning their courtship. Ammonia 0, nitrite 0, nitrate barely detectable, pH 6.8. Very clean tank, (as far as I know), I spend a lot of time taking care of it.

 

[WILDER]

R.I.P.
When you say feeder guppys do you let your fish eat them as its not worth the risk desease, and there not much nutrients in them for fish.
Any signs of flicking and rubbing.
Turn tanks lights off and shine a torch on the fish to see if you can see and golden spots on the fish.

 

[elliott78]

The feeder guppies were to help cycle my tank. I can't catch them because now it's densely vegetated. The 2 kois look normal... I tried looking at them with the lights off. All of the other fish are acting normal and look that way as well, (knock on wood!). Hopefully they were just pairing up and I didn't notice it until it was too late for the gold. Thanks for all of your help!