Please post it there i dont have account on that forums and post what do they have to say on this fishAgree with GFK on the weirdness.
There a definite resemblance to granulosus and definite deviation from one. If not another Pterodoras species, it could be just a mutant, deformed granulosus, or, as a hailmary, a hybrid.
Indeed an opinion from professional ichthyologists on Planet Catfish, such as Dr. Heok Hee Ng aka Silurus, would be utterly interesting to me to know.
Post it on PCF, or I can do it for you if you'd like.