Neon98101,
Thanks for sharing your thoughts. I think they were young, about 3/4" TL. I will check if perhaps the area had recently been cleaned. Do you know if the flake food and spirulina (sp?) pellets are appropriate food for the pandas?

I am helping my neighbor set up her aquariums. We are having deaths of apparently healthy, happy Corydoras pandas. The tank setup is: - 20 Gal (24"W) tank - Power filter with bio-wheel - Tank cycled with two Rasbora borapetensis - Setup for 5 months - rocks, driftwood, and plastic plants - 1/4 ...