have read previous posts on what seemed to be an identical problem with pics which got the reply that it may be a injury due to a bash against glass or decor. This rings true with me as my guys are particularly flighty and have been known to wholp glass in their haste. I had another look at the ...

Hi all
I currently keep 4 leopard corys in my 180L with the following mates.
10 leapord danios
6 Mollies
4 chain loaches.

The tank substrate is pea gravel and is decorated with wood and plastic plants..(I am a beginner and so far the fish husbandary worries me enough never mind adding real plants ...