Now its 2 months later and not one of the catfish had started to grow any whiskers. There are no aggresive fish in the tank and we used fine gravel as substrate.
Why is there no whiskers? Do we have mutant catfish with no whiskers?

Well, mutants.... Could be a case of inbreeding. I myself have a number of C. sterbai, of which two lack the whiskers, pectoral spines and dorsal spine. Apparently they came from Eastern Europe. Do I need to say more??Freyr wrote: Do we have mutant catfish with no whiskers?