Yes, there are some giant plecos in there.
Dunlap has about everything when it comes to fish species.
There are some giant carp in there, big gar, blue gill the size of dinner plates (caught one on a t-rig, fit a 2/0 hook into its mouth), Rio Grande Cichlids, crappie, Guadalupe Bass, Small mouth bass, big cats, big tilapia, various Sunfish, and, of course, Large Mouth bass.
2012 Skeeter ZX190
2012 Yamaha 175 HPDI