Thank you for the replies. Then I will put him in an oddball tank so he cannot breed back.
Bill

I have a sterbai species tank and in the last spawn this black fry was produced. You can see it's growth is much slower than it's siblings. The camera flash creates a mottled look to the body but looks quite black with the naked eye. Just wondering if any one has seen this happen before ? Thanks ...

what i thought was maybe beach sand but its dangerous because of sea shells then i remember that some of constructions sand come from rivers and actually are really small grains and have the right colors (dark tea brown) I use construction or play sand for my Corydoras but my water is extremely ...