Thanks Jen,
I have a cycled quarantine tank, but it is currently in use for clown loaches that we bought last weekend.
We took on a Juwel Rio 180 with a bit of a mix of stock, including a solitary clown loach so are getting him some company.
I suspect from the sudden apperance of the mark, and the ...

Hi - a better picture of the mark - which is symetrical on both sides of the body.
I should also have added that the water quality seems to be fine - 0 Ammonia, 0 Nitrite, around 15 Nitrate.
He is still feeding and behaving normally.
<img src="http://www.savepic.com/freepicturehosting/is.php?i ...

Hi,
Please bear with me - I'm a relative newby to fish keeping, and trying to learn what I can...

I have taken over an established tank in the last month, and one of the inhabitabts is a bronze cory.

Yesterday I noticed a new white mark on the top of the head, just in front of the dorsal fin.
The ...