One of three similar looking
species, S.nummifer, S.congica
and S.notata.
Synodontis nummifer is not that common in the hobby. It
has short barbels like S. congica but has a spotted head
and pigment in the caudal fin. The thing about all three of these
species is that their humeral process (Bony extension of the pectoral
girdle) are quite alike in that they are all blunt with S. congica
being a little bit shorter and the head shield being heavier, but
this is not a good way to identify these 3 species in that you may
be looking at juveniles and this method may not be fool proof.
