Fish Died, Now Others Not Acting Right Help!

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egamdliw

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I have I a 20 gallon tank, a 12, and a 55 that is almost set up.

In the 12 gallon I had 2 small clown barbs and 3 very small clown loaches. In the 20 I have a large clown barb, a albino rainbow shark, and a red tailed shark. These are fully cycled tanks that I'm using to hold the fish until the 55 is ready. The ammonia and nitrites read 0 with just a little nitrates.

In the 12 gallon, I've had the loaches for 2 1/2 weeks. They have been fine, look normal, act normal, eat normally. The clown barbs pick on them a bit when they come out so they limit swimming till food time. I came home from work yesterday to one dead loach. He scales were raised and spiky and I assumed he'd been picked on. I kept an eye on the other two but by the next day they were swimming slowly and had lost a lot of color. They were being picked on pretty badly by the barbs and one looked spiky and bumpy like the dead one.

In the 20, the three fish are active, bright, with a voracious appetite. After I found the dead loach (two days ago), I decided to do a water change and gravel vacced the gravel a bit. Then the next day (yesterday) when I found the remaining two loaches I put them into the 20 gallon to get them away from the barbs. They died this afternoon. I'm now noticing changes in my 20 gallon fish behavior. The large clown barb is swimming at the top of the tank very slowly and will sometimes go down and rub his side on this flat ornament. The two sharks are hiding behind the filter but when they come out they seem to wriggle as they swim. All their fins are clamped down and the sharks have lost some color.

The large clown barb usually has a ridiculous appetite but he's not really interested in eating. He just swims along the top of the water. Their may be a fuzz dot on his dorsal fin but I cant be sure if it isn't a bit of brine shrimp or something.

The two clown barbs, that lived with the loaches for 2 1/2 weeks are extremely active, bright, and hungry. Like normal. Both tank temps are 78-80 degrees with no nitrites. The ammonia in the 20 is at a .25, .5 ppm.

Please tell me how to save my large clown barb. I've had him for a year now and I can't lose him.
 
It might be ich... Research it then come back. If it is we can recommend meds. Clown loaches are notorious for getting ich, but also don't fit at all in a 12 gallon tank, so they were already stressed so maybe that's what caused them to get sick. Don't get more clown loaches and research ich.
 
No, I know a 12 isnt good for them. They needed to be rehomed so I took them for my 55 that I'm setting up this weekend.

I agree it sounds similar to Ich, minus any white spots or granules. What I'm confused about is that these fish are sick under 24 hours after being with them but yet the other fish who have been with them significantly longer are just fine. I dont want to medicate for the wrong thing.
 
The 55 isn't good for them either. You said that one had a few spots??? I'd assume that the water stats may have come into play, and the state and type of fish hey are affecting. I think that the loaches were sick though.
 
I test the water every night and it has been perfect in both until tonight in the 20, which I expected since I rooted around in the gravel with the vac yesterday.

They were in an even smaller tank for 2 1/2 months so I figured anything would be better. I'm just surprised that after all that time they'd only now be showing something.

I plan on treating the 20 bc clearly something is going on but would you suggest treating the other even though they seem fine? It's just so strange to me that only now they are sick, and they'd only get the one tank sick.
 
Never treat a tank for sickness, unless there is fish showing symptoms and follow the directions on the bottle TO THE LETTER! I've heard good things about kordon products.
 
Ich is primarily a gill parasite. It's usually only in severe infestations that the spots begin to appear on the rest of the body.

If you believe it's ich, I'd treat the tank with the salt/heat method for ich.

When talking about ich, it's best to assume that everyone in the tank has it. Because, chances are, they do already or shortly will. It's not worth separating a fish with spots, treating, and then moving them back only to find the parasite pop back up again because it was hiding in the gills of the other residents.
 

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