Yea, we would need to see a picture. The BN plecs at my
LFS are almost completely black, albino or look like someone took a paintbrush and splattered white paint all over them. I would say that yours is just a normal plec with different colorations.
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My tanks (so far

)
5.5 gallon Planted Dwarf Puffer tank (2 Dwarf Puffers and a lot of RCS!)
16 Gallon Planted
(GBR pair, 3 amano shrimp and a whole bunch of snails!)