columbian

Picked Up this 13 inch Blue-eyed columbian pleco. What do you guys think? How much is it really worth?

I bought 20 columbian tetras they're only $1 each from petsmart. They're in quarantine. I plan to keep them in my Geophagus/Angelfish/Uaru tank (might add some DISCUS in a few months). Doing a little more research on them it seems they might be fin nippers. Now I have second thoughts since...

Hey, i have a columbian shark that always swims directly under the other fish, actually touching them... he always does it to all the fish. Any ideas why?