Thank heavens for all the replies to your thread, Soul-Hugger!
On the 8th I went to the grand opening of LFS's "Freshwater" side of the shoppe and found P. Kuhliis!! I brought home 6 total (leaving behind 2). As well as 2 boesemani rainbowfish. It was buy 2 get 1 free on all fish so, posted somewhere (I think) that I could not tell if the kuhliis were feeding or not....
I was told to at the shoppe when I went back to rest assured that they are fantastic bottom scavengers are are able find 'left overs' the other fish did not eat.
What veggies have they eaten for you? I've tried blanched spinach & skinned & blanched zucchini, (which my other fish absolutely LOVE!) , placed in a clip...they don't seem to notice.
What veggies are you having success with...? How do you prepare it? Placement in the tank?
P.S.
Yesterday I went back & the same 2 P.Kuhliis that I left behind were still there...so, of course you KNOW I had to bring them home.

As well as3 more boesemanis, 3 dwarf neon rainbows, 3 scissortail rasboraas (which I'm not sure they were happy I told them were mislabeled as silver tipped tetras) & 4 brilliant pink neon danios.
All are in the QT being treated for internal parasites.