Tropical Fish Keeping - Aquarium fish care and resources

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-   -   'lumps' on my black widows tail. (

MykeE 05-15-2007 09:28 AM

'lumps' on my black widows tail.
Hi guys and girls.

Recently got given a tank by a friend and have added a few more black widow tetra to co-inhabit with the kholi loach, algae eater, upsidedown catfish and shrimp.

Everything's been fine for about a month, up until a few days ago when i've noticed on one or two of the tetra, weird lumps, almost like spots, always just one on each side of the tail, but with rased white bits on them.

I cant seem to find any sites with pics to make comparisons, but I have been told that several months ago the friend had trouble with white spot, so worried it could possibly be that, but the raised bits are looking more like a giant egg sack!

The tank was in a state when i got it, really bad algae issue that i'm slowly managing to get under control.

Any help you can give will be greatly appreciated. (unfortunately i cant give you nitrate levels etc at the mo)

tangy 05-15-2007 09:51 AM

do the lumps look like disks with tiny black dots? it could probably be fish lice. if you cant give us the tank levels, a pic? it could help the people here help you faster.

MykeE 05-15-2007 09:55 AM

Well it's more like a big swelling, dark in color with whit bits. I'll attempt to get a decent photo in a bit. Why cant they just sit there and pose? It's so difficult in a rounded tank...=/

Captain Crab 05-15-2007 09:57 AM

Please pass the Salt
ich is more common than white spot disease.I always recommend adding a little aquarium salt.This can clear up all kinds of stuff and is the oldest remedy.however its not the answer for everything but its worth a try.most begginers do not realize freshwater contains a bit of salt. don't quote me on this but ive heard up to teaspoon per gallon is safe.

NeonJulie 05-15-2007 10:04 AM

I think a few of my neons have exactly that... it's just right at the end of the tail, white things sticking out on each side, before the fin.

Everything else about them seems great - healthy appetites, intelligent, agile, beautiful color.

I've been thinking maybe this is a reoccurance of NTD, but now that you mention it, my previous batch had large white splotches and patches all over their sides, and interruption of the blue stripe.

I'm definitely going to be checking out any possible responses here... I hope we can figure this mystery out. It might even be the same thing that has plagued my dwarf gourami's face, it looks the same, the little white pimply area, sometimes with red around the area on the Gourami. (Hard to tell since the neon's tails are naturally red.)

I'm almost positive it's not ich, since I've had that before.

EDIT: 12g, My parameters are 7.0-7.2 pH, 80ppm Soft (that's because I'm using bottled water mixture), 76-78 degrees, no ammonia or nitrites, 10-20ppm max NitrAtes. 50% water change 2x per week. Use a few tiny drops of Prime before adding back into tank. Fish are fed once sometimes twice, two small meals they consume in front of me, Tetramin color crisps. The dwarf gourami eats a big variety, but the neons don't eat anything that doesn't sink. Sometimes I can get them to eat vitamin pellets with garlic.

I'll try and take some photos tonight since I can usually get pretty close to my neons for photos.

Daz 05-15-2007 10:06 AM

These things are always so difficult to pin point without pictures, could we have some please ? :D

Falina 05-15-2007 10:51 AM


ich is more common than white spot disease
I was always of the mind that white spot was ich. I have found mainly UK folk call it white spot, with America and the rest of the world tending to call it ich.

Pictures would be helpful if you can, I know not everyone has a camera. Like Daz said, it is difficult without them.

MykeE 05-15-2007 11:48 AM

I'm finding it nigh on impossible to actually get a half decent photo of this thing, it's bad enough trying to get rhe fish in focus, let alone close enough to actually see the lump.... :cry:

and yes NeonJulie, that sounds like the problem my critters are having. If you manage to get a pic, at least i can say aye or nay.

Amphitrite 05-15-2007 12:20 PM


Originally Posted by Julie
I was always of the mind that white spot was ich.

Yep, whitespot and ich (ichthyophthirius) are one and the same :)

Daz 05-15-2007 12:35 PM

Ok possibly cotton wool disease, occurs when the scales have been damages and have become infected through neglect. But pics would really help.

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