Hi All
I'm new but as far as i know this is paraotocinclus cf.longirostris or maculicauda(young one).my looks the same.but the older ones started to getting red coloration on pectoral fins.
I'm 100% sure that your fish is paraotcinclus type(based on Insbrucker,Evers & Seidel "CATFISH ATLAS VOL.1 ...

Hey all,
yesterday I found 6 small, brownish Otocinclus-like fish, and since I have a soft spot for rare fish, I could not resist (the fact the only cost 2 euro's a piece probably also played a role, though :wink: )
I'd like to know what species they are, and how to take proper care of them (water ...