There are many types of pecos guys..and many dont get that large. Try
Bristlenoses.

AngrieWoman wrote:

"GaneaRowenna" wrote in message
...
What are the pros and cons of a plecostamus in the pond? I have a 2500g
pond,
3.5 ft at deepest, 18 goldfish and various plants. Anyone try this
before?
Thanks,
ShawnAnne
High Desert, zone 6

I think that plecos are too aggressive to put with goldfish. At least,
that's what the fish group said when I asked about putting in my goldfish
tank.

Plecos can get really big. I knew somebody who had one in a tank with his
Oscar. That about says it all.

A