When I first started getting into fish, I was advised by 2 different stores (Wal-Mart and SuperPet), that every tank should always have a pleco, to help keep it clean. This, apparently, applied whether you were getting goldfish or tropical, regardless of the size of the tank!
Now I know better, of course, but I already have the plecos! I currently have 4 of them - 2 in my 55 gal and 2 in separate 10 gal tanks (the 10 gals are both used only for guppy birthing).
My questions are:

Now I know better, of course, but I already have the plecos! I currently have 4 of them - 2 in my 55 gal and 2 in separate 10 gal tanks (the 10 gals are both used only for guppy birthing).
My questions are:
1) I'm getting an 86 gal tomorrow, for my 2 Red Breast piranhas (1" long, at the moment). Should I move any plecos to there?
2) I've no idea what type of pleco I have, so I've attached a pic. Anyone know the type? I think they're all the same.
3) I know they grow big, but please could you tell me how big?
4) Buying them a new 200 gal tank would be nice
but I have neither the money nor the space! Any other suggestions as to how best to deal with the situation, now I already have them?
Thanks2) I've no idea what type of pleco I have, so I've attached a pic. Anyone know the type? I think they're all the same.
3) I know they grow big, but please could you tell me how big?
4) Buying them a new 200 gal tank would be nice
