So, I've bought this cat fish, which I believe to be a Pterygoplichthys parnaibae, but I'm not sure. I think it has 12 fin rays, so I'm prety sure it's a Pterygoplichthys. If you could just tell me for sure what kind of pleco it is, i'd be really grateful

http://i1141.photobucket.com/albums/n590 ...

Greeetings everyone, I'm from Portugal and i've been lurking around the website for quite some time, but I've only recently discovered the forum.