If size is your concern, Baryancistrus demantiodes is able to reach 20cm/8".
At first size was a concern, planet catfish lists them at 5.9" max, not the first time they got it wrong. Now still being a pleco addict I just need a few of these guys, never had them before.
Things have gotten iffy with my Altums, and I do not want to chance adding smaller L200's to the L240, so I have to wait.
Since we last spoke, some time ago, I had to sell off my Panaques due to back problems and their filter clogging talents. Now I have much longer filter maintenance intrevals, but have slowly started upping the pleco count again, pleco-itis never ends.
I'm now entertained by 3 albino sailfin gibbys, 8-12", 6 gallaxias L240, 7"+ and of course, could'nt stay away, 1 L190, 4"+ and 1 L027, 3"+
Top of the list now are 4-6 L200, and that will be as good as it gets for a while.
Hope you and your herds of royals are all thriving, Regards, Mark.