Thanks guys for the tips. Will have to look at other pics as well now working of those suggestions. I looked at the 2 species you suggested on here and i'm not really convinced on either to be honest, atleast not from the pics i looked at on here.
Is there any easy way of differentiating between the ...

These 2 guys live in my 2 t tank. They were bought as upside down catfish and as juveniles were much like teh pictures of nigriventis. However they far exceed the length reported. Looking at dorsal finnage i'm sure i have a male and a female who spend much time playing chase around the tank pulling ...