You'd be amazed at how active fish can become when they have adequate space to swim around. That's a lotta fish in that size tank.
Originally Posted by Loller
I don't think it's only the BN pleco that's causing the ammonia - it's the combo of the waste of ALL the fish in there - we also don't know how long your tank has been running - ammonia usually signals an uncycled tank, too small of a tank and not enough large water changes.
Do you own a test kit? Plecos don't belong in small tanks like that no matter how small they start off (all fish start small - that's how pet stores are able to house so many of them in their tiny tanks until they are sold).
46 gal fw tank with black skirt tetras, neon tetras, spotted corys, green corys, 1 guppy, cherry barbs, otoclinus, snails & 4 amano shrimp - plastic & live plants
5 gal QT with green corys & 2 guppies