Thanks for your replies.
My tank maintenance is regular, if not weekly...bi weekly...and my tank is understocked.
I will place their wafers on actual pieces of driftwood, until I can get some sand.

Hopefully they'll grow back rapidly...
Dani

Hi there.. I recently brought 3 jullii corys, for AU $10.50.. Anyhow, when I brought them home, I realised that one has completely worn out barbels... :( I did note that they were in a tank with coral pieces and sharp stones mixed into the substrate, and asked for ones with the longest barbels. The ...